SFI SYSTEM(w/o Canister Pump Module) TERMINALS OF ECM
Tech Tips
The standard voltage, resistance and waveform between each pair of the ECM terminals is shown in the table below. The appropriate conditions for checking each pair of the terminals are also indicated. The result of checks should be compared with the standard voltage, resistance and waveform for each pair of the terminals as displayed in the Specified Condition column. The illustration above can be used as a reference to identify the ECM terminal locations.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| A95-1 (EC) - Body ground | LA - - | Ground | Always | Below 1 Ω |
| A95-2 (MREL) - A95-9 (E1) | B - B | EFI-MAIN NO. 1 relay operation signal | Engine switch on (IG) | Below 1.5 V |
| A95-3 (IREL) - A95-9 (E1) | G - B | EDU relay operation signal | Engine switch on (IG) | Below 1.5 V |
| A95-4 (RFC) - A95-9 (E1) | G - B | Cooling fan control signal | Engine switch on (IG), A/C switch on (max cool) | Pulse generation (See waveform 1) |
| A95-5 (FPC) - A95-9 (E1) | LA-L - B | Fuel pump control | Engine stopped, engine switch on (IG) | Below 1.5 V |
| A95-8 (IGSW) - A95-9 (E1) | LA-B - B | Engine switch signal | Engine switch on (IG) | 11 to 14 V |
| A95-9 (E1) - Body ground | B - - | Ground | Always | Below 1 Ω |
| A95-10 (E1D1) - Body ground | W-B - - | Ground | Always | Below 1 Ω |
| A95-13 (ST1-) - A95-9 (E1) | LA-B - B | Stop light switch assembly signal (opposite to STP terminal) |
Engine switch on (IG), brake pedal depressed | 0 to 1.5 V |
| Engine switch on (IG), brake pedal released | 7.5 to 14 V | |||
| A95-14 (STP) - A95-9 (E1) | LA-R - B | Stop light switch assembly signal | Brake pedal depressed | 7.5 to 14 V |
| Brake pedal released | 0 to 1.5 V | |||
| A95-16 (STA) - A95-9 (E1) | LA-B - B | Starter assembly signal | Cranking | 6.0 V or higher |
| A95-17 (CANL) - A95-9 (E1) | W - B | CAN communication line | Engine stopped, engine switch on (IG) | Pulse generation (See waveform 2) |
| A95-18 (CANH) - A95-9 (E1) | GR - B | CAN communication line | Engine stopped, engine switch on (IG) | Pulse generation (See waveform 3) |
| A95-19 (IWPO) - A95-9 (E1) | LA-B - B | Electric water pump assembly signal | Electric water pump assembly operating | Pulse generation |
| A95-20 (IWPI) - A95-9 (E1) | LA-W - B | Electric water pump assembly signal | Electric water pump assembly operating | Pulse generation |
| A95-23 (NEO) - A95-9 (E1) | LA-W B | Engine speed signal sent to other ECUs | Idling with warm engine | Pulse generation (See waveform 4) |
| A95-24 (SPD) - A95-9 (E1) | LA-L - B | Vehicle speed signal from combination meter assembly | Driving at 20 km/h (12 mph) | Pulse generation (See waveform 5) |
| A95-25 (CANN) - A95-9 (E1) | W - B | CAN communication line | Engine stopped, engine switch on (IG) | Pulse generation (See waveform 2) |
| A95-26 (CANP) - A95-9 (E1) | G - B | CAN communication line | Engine stopped, engine switch on (IG) | Pulse generation (See waveform 3) |
| A95-35 (E01) - Body ground | W-B - - | Ground | Always | Below 1 Ω |
| A95-36 (ME01) - Body ground | B - - | Ground | Always | Below 1 Ω |
| A95-44 (KSW) - A95-9 (E1) | L - B | Electrical key in vehicle signal | Electrical key outside vehicle | 11 to 14 V |
| A95-46 (TC) - A95-9 (E1) | GR - B | Terminal TC of DLC3 | Engine switch on (IG) | 11 to 14 V |
| A95-48 (VCPP)*1 - A95-47 (EPPM)*1 | L - V | Power source of differential pressure sensor (specific voltage) | Engine switch on (IG) | 4.5 to 5.5 V |
| A95-50 (PEX2)*1 - A95-47 (EPPM)*1 | W - V | Differential pressure sensor (bank 2) signal | Engine switch on (IG) | 0.4 to 4.8 V |
| A95-51 (PEX)*1 - A95-47 (EPPM)*1 | G - V | Differential pressure sensor (bank 1) signal | Engine switch on (IG) | 0.4 to 4.8 V |
| A95-53 (E05) - Body ground | W-B - - | Ground | Always | Below 1 Ω |
| A95-54 (E04) - Body ground | W-B - - | Ground | Always | Below 1 Ω |
| A95-55 (VPA) - A95-56 (EPA) | V - Y | Accelerator pedal position sensor signal (for engine control) | Engine switch on (IG), accelerator pedal fully released | 0.5 to 1.1 V |
| Engine switch on (IG), accelerator pedal fully depressed | 2.6 to 4.5 V | |||
| A95-57 (VCPA) - A95-56 (EPA) | L - Y | Power source of accelerator pedal position sensor (for VPA) | Engine switch on (IG) | 4.5 to 5.5 V |
| A95-58 (VPA2) - A95-59 (EPA2) | G - L | Accelerator pedal position sensor signal | Engine switch on (IG), accelerator pedal fully released | 1.2 to 2.0 V |
| Engine switch on (IG), accelerator pedal fully depressed | 3.4 to 4.75 V | |||
| A95-60 (VCP2) - A95-59 (EPA2) | Y - L | Power source of accelerator pedal position sensor (for VPA2) | Engine switch on (IG) | 4.5 to 5.5 V |
| D2-1 (BATT) - A95-9 (E1) | G - B | Battery (for measuring battery voltage and ECM memory) | Always | 11 to 14 V |
| D2-2 (+BM2) - A95-9 (E1) | R - B | Power source of throttle actuator (bank 2) | Always | 11 to 14 V |
| D2-3 (+BM) - A95-9 (E1) | W - B | Power source of throttle actuator (bank 1) | Always | 11 to 14 V |
| D2-5 (HA2B) - A95-9 (E1) | G - B | Air fuel ratio sensor (bank 2 sensor 2) heater operation signal | Engine switch on (IG) | 11 to 14 V |
| Idling with cold engine | Pulse generation (See waveform 6) |
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| D2-6 (HA1B) - A95-9 (E1) | L - B | Air fuel ratio sensor (bank 1 sensor 2) heater operation signal | Engine switch on (IG) | 11 to 14 V |
| Idling with cold engine | Pulse generation (See waveform 6) |
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| D2-7 (HA2A) - A95-9 (E1) | G - B | Air fuel ratio sensor (bank 2 sensor 1) heater operation signal | Engine switch on (IG) | 11 to 14 V |
| Idling with cold engine | Pulse generation (See waveform 7) |
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| D2-8 (HA1A) - A95-9 (E1) | L - B | Air fuel ratio sensor (bank 1 sensor 1) heater operation signal | Engine switch on (IG) | 11 to 14 V |
| Idling with cold engine | Pulse generation (See waveform 7) |
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| D2-9 (+B4) - A95-9 (E1) | W - B | Power source of ECM | Engine switch on (IG) | 11 to 14 V |
| D2-10 (+B3) - A95-9 (E1) | B - B | Power source of ECM | Engine switch on (IG) | 11 to 14 V |
| D2-11 (+B2) - A95-9 (E1) | L - B | Power source of ECM | Engine switch on (IG) | 11 to 14 V |
| D2-12 (+B) - A95-9 (E1) | G - B | Power source of ECM | Engine switch on (IG) | 11 to 14 V |
| D2-15 (FCM+) - A95-9 (E1) | B - B | Multi flow control ball valve operation signal | Multi flow control ball valve operating | Pulse generation |
| D2-16 (FCM-) - A95-9 (E1) | W - B | Multi flow control ball valve operation signal | Multi flow control ball valve operating | Pulse generation |
| D2-43 (OE2+) - D1-44 (OE2-) | P - L | Cam timing oil control solenoid assembly (bank 2) operation signal | Idling | Pulse generation (See waveform 8) |
| D2-46 (OE1+) - D1-45 (OE1-) | G - B | Cam timing oil control solenoid assembly (bank 1) operation signal | Idling | Pulse generation (See waveform 8) |
| D2-47 (A2B-) - A95-9 (E1) | W - B | Air fuel ratio sensor (bank 2 sensor 2) signal | Engine switch on (IG) | 1.17 to 4.49 V |
| D2-48 (A2B+) - A95-9 (E1) | B - B | Air fuel ratio sensor (bank 2 sensor 2) signal | Engine switch on (IG) | 1.53 to 5.96 V |
| D2-49 (A1B-) - A95-9 (E1) | G - B | Air fuel ratio sensor (bank 1 sensor 2) signal | Engine switch on (IG) | 1.17 to 4.49 V |
| D2-50 (A1B+) - A95-9 (E1) | R - B | Air fuel ratio sensor (bank 1 sensor 2) signal | Engine switch on (IG) | 1.53 to 5.96 V |
| D1-1 (WGM+) - A95-9 (E1) | B - B | Waste gate valve actuator assembly (bank 1) operation signal | Waste gate valve actuator assembly (bank 1) operating | Pulse generation |
| D1-2 (WGM-) - A95-9 (E1) | R - B | Waste gate valve actuator assembly (bank 1) operation signal | Waste gate valve actuator assembly (bank 1) operating | Pulse generation |
| D1-3 (M+) - A95-9 (E1) | G - B | Throttle actuator (bank 1) operation signal (positive terminal) | Idling with warm engine | Pulse generation (See waveform 9) |
| D1-4 (M-) - A95-9 (E1) | W - B | Throttle actuator (bank 1) operation signal (negative signal) | Idling with warm engine | Idling with warm engine (See waveform 10) |
| D1-8 (FP2-) - A95-9 (E1) | W - B | Fuel pump assembly (for high pressure side of bank 2) signal | Idling with warm engine, Data List item "Injection Mode" displaying "Direct" | Pulse generation (See waveform 11) |
| D1-9 (FP2+) - A95-9 (E1) | B - B | Fuel pump assembly (for high pressure side of bank 2) signal | Idling with warm engine, Data List item "Injection Mode" displaying "Direct" | Pulse generation (See waveform 11) |
| D1-10 (FP1-) - A95-9 (E1) | W - B | Fuel pump assembly (for high pressure side of bank 1) signal | Idling with warm engine, Data List item "Injection Mode" displaying "Direct" | Pulse generation (See waveform 11) |
| D1-11 (FP1+) - A95-9 (E1) | B - B | Fuel pump assembly (for high pressure side of bank 1) signal | Idling with warm engine, Data List item "Injection Mode" displaying "Direct" | Pulse generation (See waveform 11) |
| D1-12 (#6D-) - A95-9 (E1) | G - B | Direct fuel injector assembly signal (No. 6 cylinder) | Idling with warm engine, Data List item "Injection Mode" displaying "Direct" | Pulse generation (See waveform 12) |
| D1-13 (#3D-) - A95-9 (E1) | Y - B | Direct fuel injector assembly signal (No. 3 cylinder) | Idling with warm engine, Data List item "Injection Mode" displaying "Direct" | Pulse generation (See waveform 12) |
| D1-14 (#5D-) - A95-9 (E1) | G - B | Direct fuel injector assembly signal (No. 5 cylinder) | Idling with warm engine, Data List item "Injection Mode" displaying "Direct" | Pulse generation (See waveform 12) |
| D1-15 (#2D-) - A95-9 (E1) | W - B | Direct fuel injector assembly signal (No. 2 cylinder) | Idling with warm engine, Data List item "Injection Mode" displaying "Direct" | Pulse generation (See waveform 12) |
| D1-16 (#4D-) - A95-9 (E1) | Y - B | Direct fuel injector assembly signal (No. 4 cylinder) | Idling with warm engine, Data List item "Injection Mode" displaying "Direct" | Pulse generation (See waveform 12) |
| D1-17 (#1D-) - A95-9 (E1) | W - B | Direct fuel injector assembly signal (No. 1 cylinder) | Idling with warm engine, Data List item "Injection Mode" displaying "Direct" | Pulse generation (See waveform 12) |
| D1-18 (+BD3) - A95-9 (E1) | G - B | Power source of ECU (injector driver) | Engine switch on (IG) | 11 to 14 V |
| D1-19 (+BD1) - A95-9 (E1) | B - B | Power source of ECU (injector driver) | Engine switch on (IG) | 11 to 14 V |
| D1-20 (WG2+) - A95-9 (E1) | R - B | Waste gate valve actuator assembly (bank 2) operation signal | Waste gate valve actuator assembly (bank 2) operating | Pulse generation |
| D1-21 (WG2-) - A95-9 (E1) | L - B | Waste gate valve actuator assembly (bank 2) operation signal | Waste gate valve actuator assembly (bank 2) operating | Pulse generation |
| D1-22 (M2+) - A95-9 (E1) | B - B | Throttle actuator (bank 2) operation signal (positive terminal) | Idling with warm engine | Pulse generation (See waveform 9) |
| D1-23 (M2-) - A95-9 (E1) | R - B | Throttle actuator (bank 2) operation signal (negative signal) | Idling with warm engine | Pulse generation (See waveform 10) |
| D1-24 (EOJ+)*1 - D1-25 (EOJ-)*1 | B - G | Oil pressure switching valve assembly operation signal | Oil pressure switching valve assembly operating | Pulse generation |
| D1-29 (ABV2) - A95-9 (E1) | R - B | Air by-pass valve assembly (bank 2) operation signal | Engine stopped, engine switch on (IG) | 11 to 14 V |
| Air by-pass valve assembly (bank 2) operating | 1.5 V or less | |||
| D1-30 (ABV) - A95-9 (E1) | P - B | Air by-pass valve assembly (bank 1) operation signal | Engine stopped, engine switch on (IG) | 11 to 14 V |
| Air by-pass valve assembly (bank 1) operating | 1.5 V or less | |||
| D1-31 (#6D+) - A95-9 (E1) | L - B | Direct fuel injector assembly signal (No. 6 cylinder) | Idling with warm engine, Data List item "Injection Mode" displaying "Direct" | Pulse generation (See waveform 12) |
| D1-32 (#3D+) - A95-9 (E1) | R - B | Direct fuel injector assembly signal (No. 3 cylinder) | Idling with warm engine, Data List item "Injection Mode" displaying "Direct" | Pulse generation (See waveform 12) |
| D1-33 (#5D+) - A95-9 (E1) | L - B | Direct fuel injector assembly signal (No. 5 cylinder) | Idling with warm engine, Data List item "Injection Mode" displaying "Direct" | Pulse generation (See waveform 12) |
| D1-34 (#2D+) - A95-9 (E1) | B - B | Direct fuel injector assembly signal (No. 2 cylinder) | Idling with warm engine, Data List item "Injection Mode" displaying "Direct" | Pulse generation (See waveform 12) |
| D1-35 (#4D+) - A95-9 (E1) | R - B | Direct fuel injector assembly signal (No. 4 cylinder) | Idling with warm engine, Data List item "Injection Mode" displaying "Direct" | Pulse generation (See waveform 12) |
| D1-36 (#1D+) - A95-9 (E1) | B - B | Direct fuel injector assembly signal (No. 1 cylinder) | Idling with warm engine, Data List item "Injection Mode" displaying "Direct" | Pulse generation (See waveform 12) |
| D1-37 (+BD4) - A95-9 (E1) | R - B | Power source of ECU (injector driver) | Engine switch on (IG) | 11 to 14 V |
| D1-38 (+BD2) - A95-9 (E1) | L - B | Power source of ECU (injector driver) | Engine switch on (IG) | 11 to 14 V |
| D1-40 (PRG) - A95-9 (E1) | GR - B | Purge VSV operation signal | Engine switch on (IG) | 11 to 14 V |
| Idling with warm engine, under purge control | Pulse generation (See waveform 13) |
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| D1-41 (AICV) - A95-9 (E1) | V - B | Vacuum switching valve for air intake control valve operation signal | Engine switch on (IG) | 11 to 14 V |
| D1-42 (EMD2) - A95-9 (E1) | G - B | Cam timing control motor with EDU assembly (bank 2) signal | Idling with warm engine | Pulse generation (See waveform 14) |
| D1-43 (EDT2) - A95-9 (E1) | W - B | Cam timing control motor with EDU assembly (bank 2) signal | Idling with warm engine | Pulse generation (See waveform 15) |
| D1-44 (EMF2) - A95-9 (E1) | L - B | Cam timing control motor with EDU assembly (bank 2) signal | Idling with warm engine | Below 5.0 V |
| D1-45 (EMR2) - A95-9 (E1) | R - B | Cam timing control motor with EDU assembly (bank 2) signal | Idling with warm engine | Pulse generation (See waveform 16) |
| D1-46 (#60) - A95-9 (E1) | GR - B | Port fuel injector assembly signal (No. 6 cylinder) | Idling with warm engine (Data List item "Injection Mode" displaying "Port") | Pulse generation (See waveform 17) |
| D1-47 (#50) - A95-9 (E1) | P - B | Port fuel injector assembly signal (No. 5 cylinder) | Idling with warm engine (Data List item "Injection Mode" displaying "Port") | Pulse generation (See waveform 17) |
| D1-48 (#40) - A95-9 (E1) | R - B | Port fuel injector assembly signal (No. 4 cylinder) | Idling with warm engine (Data List item "Injection Mode" displaying "Port") | Pulse generation (See waveform 17) |
| D1-49 (#30) - A95-9 (E1) | L - B | Port fuel injector assembly signal (No. 3 cylinder) | Idling with warm engine (Data List item "Injection Mode" displaying "Port") | Pulse generation (See waveform 17) |
| D1-50 (#20) - A95-9 (E1) | G - B | Port fuel injector assembly signal (No. 2 cylinder) | Idling with warm engine (Data List item "Injection Mode" displaying "Port") | Pulse generation (See waveform 17) |
| D1-51 (#10) - A95-9 (E1) | Y - B | Port fuel injector assembly signal (No. 1 cylinder) | Idling with warm engine (Data List item "Injection Mode" displaying "Port") | Pulse generation (See waveform 17) |
| D1-52 (EMD1) - A95-9 (E1) | G - B | Cam timing control motor with EDU assembly (bank 1) signal | Idling with warm engine | Pulse generation (See waveform 14) |
| D1-53 (EDT1) - A95-9 (E1) | W - B | Cam timing control motor with EDU assembly (bank 1) signal | Idling with warm engine | Pulse generation (See waveform 15) |
| D1-54 (EMF1) - A95-9 (E1) | L - B | Cam timing control motor with EDU assembly (bank 1) signal | Idling with warm engine | Below 5.0 V |
| D1-55 (EMR1) - A95-9 (E1) | R - B | Cam timing control motor with EDU assembly (bank 1) signal | Idling with warm engine | Pulse generation (See waveform 16) |
| D1-56 (IGT6) - A95-9 (E1) | W - B | No. 6 ignition coil assembly signal (ignition signal) |
Idling with warm engine | Pulse generation (See waveform 18) |
| D1-57 (IGT5) - A95-9 (E1) | V - B | No. 5 ignition coil assembly signal (ignition signal) |
Idling with warm engine | Pulse generation (See waveform 18) |
| D1-58 (IGT4) - A95-9 (E1) | P - B | No. 4 ignition coil assembly signal (ignition signal) |
Idling with warm engine | Pulse generation (See waveform 18) |
| D1-59 (IGT3) - A95-9 (E1) | V - B | No. 3 ignition coil assembly signal (ignition signal) |
Idling with warm engine | Pulse generation (See waveform 18) |
| D1-60 (IGT2) - A95-9 (E1) | L - B | No. 2 ignition coil assembly signal (ignition signal) |
Idling with warm engine | Pulse generation (See waveform 18) |
| D1-61 (IGT1) - A95-9 (E1) | G - B | No. 1 ignition coil assembly signal (ignition signal) |
Idling with warm engine | Pulse generation (See waveform 18) |
| D1-66 (EV2+) - D1-71 (VV1-) | G - B | Camshaft position sensor (for exhaust camshaft of bank 2) signal | Idling with warm engine | Pulse generation (See waveform 19) |
| D1-67 (EV1+) - D1-71 (VV1-) | P - B | Camshaft position sensor (for exhaust camshaft of bank 1) signal | Idling with warm engine | Pulse generation (See waveform 19) |
| D1-68 (VV2+) - D1-71 (VV1-) | GR - B | Camshaft position sensor (for intake camshaft of bank 2) signal | Idling with warm engine | Pulse generation (See waveform 20) |
| D1-69 (VV1+) - D1-71 (VV1-) | Y - B | Camshaft position sensor (for intake camshaft of bank 1) signal | Idling with warm engine | Pulse generation (See waveform 20) |
| D1-70 (NE+) - D1-72 (NE-) | V - W | Crankshaft position sensor signal | Idling with warm engine | Pulse generation (See waveform 21) |
| D1-74 (FCA) - A95-9 (E1) | G - B | Ball valve position sensor signal | Idling with warm engine | 0.73 to 4.27 V |
| D1-75 (WGA2) - D1-83 (EWGA) | W - B | Waste gate valve position sensor (bank 2) signal | Waste gate valve fully open (Engine stopped, engine switch on (IG)) |
0.7 to 1.6 V |
| Waste gate valve fully closed (During boost) |
3.6 to 4.4 V | |||
| D1-76 (WGA) - D1-83 (EWGA) | Y - B | Waste gate valve position sensor (bank 1) signal | Waste gate valve fully open (Engine stopped, engine switch on (IG)) |
0.7 to 1.6 V |
| Waste gate valve fully closed (During boost) |
3.6 to 4.4 V | |||
| D1-77 (PEOJ)*1 - D1-104 (EPIM)*1 | B - GR | Oil pressure sender gauge assembly signal | Idling with warm engine | 0.5 to 4.5 V |
| D1-79 (THA2) - D1-84 (E2G) | G - R | Intake air temperature sensor (mass air flow meter sub-assembly (bank 2)) signal | Idling, intake air temperature 0 to 80°C (32 to 176°F) | 0.5 to 3.4 V |
| D1-80 (VG2) - D1-84 (E2G) | L - R | Mass air flow meter sub-assembly (bank 2) signal | Engine switch on (IG) | Pulse generation (See waveform 22) |
| D1-81 (THA) - D1-84 (E2G) | G - R | Intake air temperature sensor (mass air flow meter sub-assembly (bank 1)) signal | Idling, intake air temperature 0 to 80°C (32 to 176°F) | 0.5 to 3.4 V |
| D1-82 (VG) - D1-84 (E2G) | R - R | Mass air flow meter sub-assembly (bank 1) signal | Engine switch on (IG) | Pulse generation (See waveform 22) |
| D1-86 (THW3) - D1-85 (ETHW) | GR - G | Engine coolant temperature sensor (for inlet side) signal | Idling, engine coolant temperature 75 to 105°C (167 to 221°F) | 0.2 to 1.0 V |
| D1-87 (THW2) - D1-85 (ETHW) | B - G | Engine coolant temperature sensor (for cylinder head side) signal | Idling, engine coolant temperature 75 to 105°C (167 to 221°F) | 0.2 to 1.0 V |
| D1-88 (THW) - D1-85 (ETHW) | BR - G | Engine coolant temperature sensor (for outlet side) signal | Idling, engine coolant temperature 75 to 105°C (167 to 221°F) | 0.2 to 1.0 V |
| D1-93 (TA22) - D1-116 (ETA2) | L - R | Throttle position sensor (bank 2) signal (for sensor malfunction detection) | Engine switch on (IG), accelerator pedal fully released | 2.1 to 3.1 V |
| Accelerator pedal fully depressed (engine running) | 4.6 to 5.0 V | |||
| D1-94 (VCV1) - A95-9 (E1) | P - B | Power source of camshaft position sensor (specific voltage) | Engine switch on (IG) | 4.5 to 5.5 V |
| D1-95 (VCNE) - A95-9 (E1) | R - B | Power source of crankshaft position sensor (specific voltage) | Engine switch on (IG) | 4.5 to 5.5 V |
| D1-96 (VCPR) - D1-97 (EPR) | L - BR | Power source of pressure sensor (specific voltage) | Engine switch on (IG) | 4.5 to 5.5 V |
| D1-98 (PR) - D1-97 (EPR) | GR - BR | Fuel pressure sensor (for high pressure side) signal | Idling with warm engine | 0.5 to 4.5 V |
| D1-99 (PFL) - D1-97 (EPR) | R - BR | No. 2 Fuel pressure sensor (for low pressure side) signal | Idling with warm engine | 0.75 to 4.5 V |
| D1-102 (PIM) - D1-104 (EPIM) | W - B | No. 3 turbo pressure sensor signal | Idling with warm engine | 1.0 to 4.5 V |
| D1-103 (THIM) - A95-9 (E1) | P - B | Intake air temperature sensor (No. 3 turbo pressure sensor) signal | Idling with warm engine | 0 to 5.25 V |
| D1-105 (VTA2) - D1-128 (ETA) | L - R | Throttle position sensor (bank 1) signal (for sensor malfunction detection) | Engine switch on (IG), accelerator pedal fully released | 2.1 to 3.1 V |
| Accelerator pedal fully depressed (engine running) | 4.6 to 5.0 V | |||
| D1-106 (VCWG) - D1-83 (EWGA) | P - B | Power source of position sensor (specific voltage) | Engine switch on (IG) | 4.5 to 5.5 V |
| D1-107 (VCVG) - A95-9 (E1) | GR - B | Power source of mass air flow meter sub-assembly (specific voltage) | Engine switch on (IG) | 4.8 to 5.2 V |
| D1-108 (A2A-) - A95-9 (E1) | W - B | Air fuel ratio sensor (bank 2 sensor 1) signal | Engine switch on (IG) | 1.24 to 4.22 V |
| D1-109 (A2A+) - A95-9 (E1) | B - B | Air fuel ratio sensor (bank 2 sensor 1) signal | Engine switch on (IG) | 1.46 to 4.22 V |
| D1-110 (A1A-) - A95-9 (E1) | G - B | Air fuel ratio sensor (bank 1 sensor 1) signal | Engine switch on (IG) | 1.24 to 4.22 V |
| D1-111 (A1A+) - A95-9 (E1) | R - B | Air fuel ratio sensor (bank 1 sensor 1) signal | Engine switch on (IG) | 1.46 to 4.22 V |
| D1-113 (PPG2) - D1-97 (EPR) | L - BR | No. 2 turbo pressure sensor (bank 2) signal | Idling with warm engine | 1.0 to 4.5 V |
| D1-114 (PPG) - D1-97 (EPR) | B - BR | No. 2 turbo pressure sensor (bank 1) signal | Idling with warm engine | 1.0 to 4.5 V |
| D1-117 (VCT2) - D1-116 (ETA2) | G - R | Power source of throttle position sensor (bank 2) (specific voltage) | Engine switch on (IG) | 4.5 to 5.5 V |
| D1-118 (TA21) - D1-116 (ETA2) | W - R | Throttle position sensor (bank 2) signal (for engine control) | Engine switch on (IG), accelerator pedal fully released | 0.6 to 1.1 V |
| Accelerator pedal fully depressed (engine running) | 3.2 to 4.8 V | |||
| D1-120 (KNK2) - D1-119 (EKN2) | R - G | Knock control sensor (bank 2) signal | Engine speed maintained at 4000 rpm after warming up the engine | Pulse generation (See waveform 23) |
| D1-122 (KNK1) - D1-121 (EKNK) | B - W | Knock control sensor (bank 1) signal | Engine speed maintained at 4000 rpm after warming up the engine | Pulse generation (See waveform 23) |
| D1-123 (PIC2) - D1-97 (EPR) | G - BR | Vacuum sensor (bank 2) signal | Idling with warm engine | 1.0 to 4.5 V |
| D1-124 (PIC) - D1-97 (EPR) | B - BR | Vacuum sensor (bank 1) signal | Idling with warm engine | 1.0 to 4.5 V |
| D1-125 (PTA2) - D1-97 (EPR) | B - BR | No. 1 turbo pressure sensor (bank 2) signal | Idling with warm engine | 1.0 to 4.5 V |
| D1-126 (PTA) - D1-97 (EPR) | V - BR | No. 1 turbo pressure sensor (bank 1) signal | Idling with warm engine | 1.0 to 4.5 V |
| D1-127 (VCPM) - D1-104 (EPIM) | GR - GR*1 GR - B*2 |
Power source of pressure sensor (specific voltage) | Engine switch on (IG) | 4.5 to 5.5 V |
| D1-129 (VCTA) - D1-128 (ETA) | G - R | Power source of throttle position sensor (bank 1) (specific voltage) | Engine switch on (IG) | 4.5 to 5.5 V |
| D1-130 (VTA1) - D1-128 (ETA) | W - R | Throttle position sensor (bank 1) signal (for engine control) | Engine switch on (IG), accelerator pedal fully released | 0.6 to 1.1 V |
| Accelerator pedal fully depressed (engine running) | 3.2 to 4.8 V |
*1: w/ Gasoline particulate filter
*2: w/o Gasoline particulate filter
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WAVEFORM 1
*a 1 V/DIV. *b 20 ms./DIV. Cooling Fan Control Signal ECM Terminal Name Between RFC and E1 Tester Range 1 V/DIV., 20 ms./DIV. Condition Engine switch on (IG), A/C switch on (max cool) Tech Tips
The duty ratio varies depending on the engine coolant temperature.
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WAVEFORM 2
*a 1 V/DIV. *b 10 μs./DIV. CAN Communication Signal (Reference) ECM Terminal Name Between CANL and E1
Between CANN and E1
Tester Range 1 V/DIV., 10 μs./DIV. Condition Engine stopped, engine switch on (IG) Tech Tips
The waveform varies depending on the CAN communication signal.
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WAVEFORM 3
*a 1 V/DIV. *b 10 μs./DIV. CAN Communication Signal (Reference) ECM Terminal Name Between CANH and E1
Between CANP and E1
Tester Range 1 V/DIV., 10 μs./DIV. Condition Engine stopped, engine switch on (IG) Tech Tips
The waveform varies depending on the CAN communication signal.
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WAVEFORM 4
*a 1 V/DIV. *b 2 ms./DIV. Engine Speed Signal ECM Terminal Name Between NEO and E1 Tester Range 1 V/DIV., 2 ms./DIV. Condition Idling with warm engine Tech Tips
The wavelength becomes shorter as the engine speed increases.
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WAVEFORM 5
*a 2 V/DIV. *b 20 ms./DIV. Vehicle Speed Signal ECM Terminal Name Between SPD and E1 Tester Range 2 V/DIV., 20 ms./DIV. Condition Driving at 20 km/h (12 mph) Tech Tips
The wavelength becomes shorter as the vehicle speed increases.
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WAVEFORM 6
*a 5 V/DIV. *b 10 ms./DIV. Air Fuel Ratio Sensor (Sensor 2) Heater Operation Signal ECM Terminal Name Between HA1B and E1
Between HA2B and E1
Tester Range 5 V/DIV., 10 ms./DIV. Condition Idling with cold engine -
WAVEFORM 7
*a 5 V/DIV. *b 10 ms./DIV. Air Fuel Ratio Sensor (Sensor 1) Heater Operation Signal ECM Terminal Name Between HA1A and E1
Between HA2A and E1
Tester Range 5 V/DIV., 10 ms./DIV. Condition Idling with cold engine -
WAVEFORM 8
*a 5 V/DIV. *b 1 ms./DIV. Cam Timing Oil Control Solenoid Assembly Operation Signal ECM Terminal Name Between OE1+ and OE1-
Between OE2+ and OE2-
Tester Range 5 V/DIV., 1 ms./DIV. Condition Idling -
WAVEFORM 9
*a 5 V/DIV. *b 1 ms./DIV. Throttle Actuator Operation Signal (Positive Terminal) ECM Terminal Name Between M+ and E1
Between M2+ and E1
Tester Range 5 V/DIV., 1 ms./DIV. Condition Idling with warm engine Tech Tips
The duty ratio varies depending on the throttle actuator operation.
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WAVEFORM 10
*a 5 V/DIV. *b 1 ms./DIV. Throttle Actuator Operation Signal (Negative Terminal) ECM Terminal Name Between M- and E1
Between M2- and E1
Tester Range 5 V/DIV., 1 ms./DIV. Condition Idling with warm engine Tech Tips
The duty ratio varies depending on the throttle actuator operation.
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WAVEFORM 11
*1 20 V/DIV. *2 500 μs./DIV. Fuel Pump Assembly (for High Pressure Side) Signal ECM Terminal Name CH1: Between FP1+ and E1
CH2: Between FP1- and E1
CH1: Between FP2+ and E1
CH2: Between FP2- and E1
Tester Range 20 V/DIV., 500 μs./DIV. Condition Idling with warm engine, Data List item "Injection Mode" displaying "Direct" -
WAVEFORM 12
*1 50 V/DIV. *2 200 μs./DIV. Direct Fuel Injector Assembly Signal ECM Terminal Name CH1: Between #1D+ and E1
CH2: Between #1D- and E1
CH1: Between #2D+ and E1
CH2: Between #2D- and E1
CH1: Between #3D+ and E1
CH2: Between #3D- and E1
CH1: Between #4D+ and E1
CH2: Between #4D- and E1
CH1: Between #5D+ and E1
CH2: Between #5D- and E1
CH1: Between #6D+ and E1
CH2: Between #6D- and E1
Tester Range 50 V/DIV., 200 μs./DIV. Condition Idling with warm engine, Data List item "Injection Mode" displaying "Direct" -
WAVEFORM 13
*1 10 V/DIV. *2 20 ms./DIV. Purge VSV Operation Signal ECM Terminal Name Between PRG and E1 Tester Range 10 V/DIV., 20 ms./DIV. Condition Idling with warm engine, under purge control Tech Tips
If the waveform is not similar to the illustration, check the waveform again after idling for 10 minutes or more.
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WAVEFORM 14
*a 2 V/DIV. *b 100 ms./DIV. Cam Timing Control Motor with EDU Assembly Signal (EMD Signal) ECM Terminal Name Between EMD1 and E1
Between EMD2 and E1
Tester Range 2 V/DIV., 100 ms./DIV. Condition Idling with warm engine -
WAVEFORM 15
*a 1 V/DIV. *b 5 ms./DIV. Cam Timing Control Motor with EDU Assembly Signal (EDT Signal) ECM Terminal Name Between EDT1 and E1
Between EDT2 and E1
Tester Range 1 V/DIV., 5 ms./DIV. Condition Idling with warm engine -
WAVEFORM 16
*a 2 V/DIV. *b 5 ms./DIV. Cam Timing Control Motor with EDU Assembly Signal (EMR Signal) ECM Terminal Name Between EMR1 and E1
Between EMR2 and E1
Tester Range 2 V/DIV., 5 ms./DIV. Condition Idling with warm engine Tech Tips
The wavelength becomes shorter as the engine speed increases.
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WAVEFORM 17
*1 20 V/DIV. *2 20 ms./DIV. Port Fuel Injector Assembly Signal ECM Terminal Name Between #10 (to #60) and E1 Tester Range 20 V/DIV., 20 ms./DIV. Condition Idling with warm engine (Data List item "Injection Mode" displaying "Port") Tech Tips
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The wavelength becomes shorter as the engine speed increases.
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When the port injection injectors are operating, Port is displayed for Injection Mode of the Data List.
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WAVEFORM 18
*a 2 V/DIV. *b 20 ms./DIV. Ignition Coil Assembly Signal (IGT Signal) ECM Terminal Name Between IGT (1 to 6) and E1 Tester Range 2 V/DIV., 20 ms./DIV. Condition Idling with warm engine Tech Tips
The wavelength becomes shorter as the engine speed increases.
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WAVEFORM 19
*a 5 V/DIV. *b 20 ms./DIV. Camshaft Position Sensor (for Exhaust Camshaft) Signal ECM Terminal Name CH1: Between EV1+ and VV1-
CH2: Between EV2+ and VV1-
Tester Range 5 V/DIV., 20 ms./DIV. Condition Idling with warm engine Tech Tips
The wavelength becomes shorter as the engine speed increases.
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WAVEFORM 20
*a 5 V/DIV. *b 20 ms./DIV. Camshaft Position Sensor (for Intake Camshaft) Signal ECM Terminal Name CH1: Between VV1+ and VV1-
CH2: Between VV2+ and VV1-
Tester Range 5 V/DIV., 20 ms./DIV. Condition Idling with warm engine Tech Tips
The wavelength becomes shorter as the engine speed increases.
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WAVEFORM 21
*a 2 V/DIV. *b 20 ms./DIV. Crankshaft Position Sensor Signal ECM Terminal Name Between NE+ and NE- Tester Range 2 V/DIV., 20 ms./DIV. Condition Idling with warm engine Tech Tips
The wavelength becomes shorter as the engine speed increases.
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WAVEFORM 22
*a 1 V/DIV. *b 100 μs./DIV. Mass Air Flow Meter Sub-assembly Signal ECM Terminal Name Between VG and E2G
Between VG2 and E2G
Tester Range 1 V/DIV., 100 μs./DIV. Condition Engine switch on (IG) -
WAVEFORM 23
*a 1 V/DIV. *b 1 ms./DIV. Knock Control Sensor Signal ECM Terminal Name Between KNK1 and EKNK
Between KNK2 and EKN2
Tester Range 1 V/DIV., 1 ms./DIV. Condition Engine speed maintained at 4000 rpm after warming up the engine Tech Tips
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The wavelength becomes shorter as the engine speed increases.
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The waveforms and amplitudes displayed differ slightly depending on the vehicle.
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