СИСТЕМА ECD КОНТАКТЫ ECM

A01ISSIE01

Tech Tips

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
A76-2 (+B) - A76-17 (E3) B - W-B Power source of ECM Ignition switch ON 11 to 14 V
A76-14 (+B2) - A76-17 (E3) B - W-B Power source of ECM Ignition switch ON 11 to 14 V
A76-1 (+B3) - A76-17 (E3) B - W-B Power source of ECM Ignition switch ON 11 to 14 V
A76-9 (MREL) - A76-17 (E3) W - W-B EFI MAIN relay Ignition switch ON 11 to 14 V
45 seconds elapsed since ignition switch off 0 to 1.5 V
A76-15 (BATT) - A76-17 (E3) B - W-B Battery (for measuring the battery voltage and for the ECM memory) Always 11 to 14 V
A76-37 (IGSW) - A76-17 (E3) B - W-B Ignition switch signal Ignition switch ON 11 to 14 V
A76-52 (VPA) - A76-22 (EPA) W - R Accelerator pedal sensor assembly (for engine control) Ignition switch ON, accelerator pedal fully released 0.5 to 1.1 V
Ignition switch ON, accelerator pedal fully depressed 2.6 to 4.5 V
A76-43 (VPA2) - A76-23 (EPA2) Y - G Accelerator pedal sensor assembly (for sensor malfunction detection) Ignition switch ON, accelerator pedal fully released 1.2 to 2.0 V
Ignition switch ON, accelerator pedal fully depressed 3.4 to 4.75 V
A76-27 (VCPA) - A76-22 (EPA) L - R Power source of accelerator pedal sensor assembly (for VPA) Ignition switch ON 4.5 to 5.5 V
A76-29 (VCP2) - A76-23 (EPA2) LG - G Power source of accelerator pedal sensor assembly (for VPA2) Ignition switch ON 4.5 to 5.5 V
C84-83 (VCTA) - C84-81 (ETA) L-W - BR-O Power source of diesel throttle position sensor Ignition switch ON 4.5 to 5.5 V
C84-117 (VTA1) - C84-81 (ETA) GR-W - BR-O Diesel throttle position sensor Throttle valve fully opened 3.2 to 4.9 V
Throttle valve fully closed 0.5 to 1.1 V
C84-50 (M+) - A76-5 (E2) W-R - W-B Diesel throttle duty signal Idling with warm engine Pulse generation
C84-20 (M-) - A76-5 (E2) W-L - W-B Diesel throttle duty signal Idling with warm engine Pulse generation
C84-46 (HAF1) - A76-5 (E2) W-Y - W-B Air fuel ratio sensor heater Ignition switch ON 11 to 14 V
Idling Pulse generation
C84-127 (AF1+) - A76-5 (E2) GR-BR - W-B Air fuel ratio sensor signal Ignition switch ON 1.5 to 4.9 V
C84-126 (AF1-) - A76-5 (E2) BR - W-B Air fuel ratio sensor signal Ignition switch ON 2.35 to 2.65 V
C84-128 (TR1) - A76-5 (E2) GR-L - W-B Air fuel ratio sensor signal Ignition switch ON 1.5 to 4.9 V
C84-125 (RE1) - A76-5 (E2) B-Y - W-B Air fuel ratio sensor signal Ignition switch ON 2.1 to 3.5 V
C84-93 (THF) - C84-124 (ETHF) L-G - BR-G Fuel temperature sensor Ignition switch ON 0.5 to 2.0 V
C84-54 (VCS) - C84-102 (E2S) L-W - BR-GR Power source of fuel pressure sensor Ignition switch ON 4.5 to 5.5 V
C84-101 (PC) - C84-102 (E2S) Y-GR - BR-GR Fuel pressure sensor Idling 1.0 to 1.3 V
C84-97 (VG) - C84-129 (EVG) Y-B - BR-B Mass air flow meter signal Ignition switch ON Pulse generation
C84-114 (THA) - C84-129 (EVG) GR-B - BR-B Intake air temperature sensor (built into mass air flow meter) Idling, intake air temperature 20°C (68°F) 0.5 to 2.0 V
C84-30 (PCV) - A76-4 (E1) W-V - W-B Fuel quantity control valve Idling Pulse generation
C84-29 (IJ1+) - C84-59 (IJ1-) R-W - BR-W No. 1 injector assembly Idling Pulse generation
C84-28 (IJ2+) - C84-58 (IJ2-) R-L - BR-L No. 2 injector assembly Idling Pulse generation
C84-27 (IJ3+) - C84-57 (IJ3-) R-Y - BR-Y No. 3 injector assembly Idling Pulse generation
C84-26 (IJ4+) - C84-56 (IJ4-) G-R - BR-G No. 4 injector assembly Idling Pulse generation
C84-92 (THCI) - C84-91 (ETCI) Y-L - BR-Y Exhaust gas temperature sensor (for sensor 1) Idling with warm engine 2.9 to 3.3 V
C84-109 (THCO) - C84-110 (ETCO) GR-W - BR Exhaust gas temperature sensor (for sensor 2) Idling with warm engine 2.9 to 3.3 V
C84-82 (THW) - C84-113 (ETHW) B-V - BR-B Engine coolant temperature sensor Idling, engine coolant temperature 60 to 120°C (140 to 248°F) 0.2 to 1.0 V
C84-79 (THIA) - C84-89 (ETHI) B-W - BR-W Intake air temperature sensor Idling, intake air temperature at 0 to 80°C (32 to 176°F) 0.5 to 2.0 V
C84-61 (VPIM) - C84-76 (EPIM) L-G - BR-L Power source of turbo pressure sensor Ignition switch ON 4.75 to 5.25 V
C84-111 (PIM) - C84-76 (EPIM) B-L - BR-L Turbo pressure sensor assembly Ignition switch ON (same as atmosphere pressure) 0.8 to 1.4 V
C84-65 (VNVC) - C84-112 (VNE2) L-B - BR-O Power source of nozzle vane position sensor Ignition switch ON 4.5 to 5.5 V
C84-80 (VTAI) - C84-112 (VNE2) GR-W - BR-O Nozzle vane position sensor VN turbocharger fully closed 0.9 to 2.1 V
VN turbocharger fully opened 3.0 to 4.1 V
C84-51 (VN+A) - A76-4 (E1) W - W-B VN turbocharger motor Idling with warm engine Pulse generation
C84-21 (VN-A) - A76-4 (E1) W-B - W-B VN turbocharger motor Idling with warm engine Pulse generation
C84-16 (ECBV) - A76-4 (E1) W-R - W-B EGR cooler bypass switching valve assembly Ignition switch ON with cold engine 0 to 1.5 V
Idling with warm engine 11 to 14 V
C84-69 (VCEG) - C84-84 (EEGL) L-BR - BR-G Power source of EGR valve position sensor Ignition switch ON 4.5 to 5.5 V
C84-70 (VCPX) - C84-71 (EPEX) L - BR-V Power source of differential pressure sensor (Exhaust gas pressure sensor) Ignition switch ON 4.5 to 5.5 V
A76-7 (D) - A76-4 (E1) W - W-B No. 2 clutch start switch assembly Ignition switch ON, clutch pedal released 11 to 14 V
Ignition switch ON, clutch pedal depressed 0 to 1.5 V
A76-36 (STA) - A76-4 (E1) LG - W-B Starter signal Cranking 6.0 V or higher
A76-21 (TACH) - A76-4 (E1) GR - W-B Engine speed Idling Pulse generation
A76-48 (STP) - A76-4 (E1) V - W-B Stop light switch assembly Ignition switch ON, brake pedal depressed 7.5 to 14 V
Ignition switch ON, brake pedal released 0 to 1.5 V
A76-10 (ST1-) - A76-4 (E1) R-W - W-B

Stop light switch assembly

(opposite to STP)

Ignition switch ON, brake pedal depressed 0 to 1.5 V
Ignition switch ON, brake pedal released 7.5 to 14 V
A76-51 (SPD) - A76-4 (E1) Y - W-B Speed signal from combination meter Ignition switch ON, drive wheels rotating slowly Pulse generation
A76-59 (W) - A76-4 (E1) LG - W-B MIL MIL illuminated Below 3 V
MIL not illuminated 11 to 14 V
A76-50 (TC) - A76-4 (E1) P - W-B Terminal TC of DLC3 Ignition switch ON 11 to 14 V
A76-20 (FANL) - A76-4 (E1) R - W-B Cooling fan (low speed) Ignition switch ON 11 to 14 V
Idling with A/C on or high engine coolant temperature Below 1.5 V
A76-45 (FANH) - A76-4 (E1) W - W-B Cooling fan (high speed) Idling with high engine coolant temperature Below 1.5 V
A76-30 (ELS2) - A76-4 (E1) B - W-B Electric load Defogger switch ON 7.5 to 14 V
Defogger switch off 0 to 1.5 V
A76-32 (MHSW) - A76-4 (E1) Y - W-B Power heater switch signal Power heater switch ON 11 to 14 V
A76-11 (R) - A76-4 (E1) R - W-B Back-up light switch signal Back-up light switch ON 11 to 14 V
A76-26 (CANH) - A76-4 (E1) Y - W-B CAN communication line Ignition switch ON Pulse generation
A76-25 (CANL) - A76-4 (E1) W - W-B CAN communication line Ignition switch ON Pulse generation
A76-13 (CANP) - A76-4 (E1) R - W-B CAN communication line Ignition switch ON Pulse generation
A76-12 (CANN) - A76-4 (E1) W - W-B CAN communication line Ignition switch ON Pulse generation
A76-6 (NEO) - A76-4 (E1) P - W-B Crankshaft Position Sensor Ignition switch ON Pulse generation
A76-60 (FC) - A76-4 (E1) B - W-B FUEL PUMP relay Ignition switch ON 11 to 14 V
Idling Below 1.5 V
C84-74 (LIN) - C84-96 (EGCU) V-W - BR-W LIN communication Ignition switch ON Pulse generation