CHECK DRIVING SUPPORT ECU ASSEMBLY
Note
Do not apply excessive force to the connector. If a force of 10 kg or more is applied, the connector may be broken.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| P62-3 (BZ) - P62-28 (GND) | LA-P - W-B | Pre-collision city buzzer assembly output | Engine switch on (IG), pre-collision city buzzer not sounding | 11 to 14 V |
| Engine switch on (IG), pre-collision city buzzer sounding | Below 1 V | |||
| P62-7 (B) - P62-28 (GND) | LA-V - W-B | Power source | Engine switch on (IG) | 11 to 14 V |
| Engine switch off | Below 1 V | |||
| P62-8 (CA1P) - P62-28 (GND) | L - W-B | CAN communication signal | Engine switch on (IG) | Pulse generation (See waveform 1) |
| P62-9 (CA1N) - P62-28 (GND) | W - W-B | CAN communication signal | Engine switch on (IG) | Pulse generation (See waveform 2) |
| P62-10 (CA2H) - P62-28 (GND) | R - W-B | CAN communication signal | Engine switch on (IG) | Pulse generation (See waveform 1) |
| P62-11 (CA2L) - P62-28 (GND) | W - W-B | CAN communication signal | Engine switch on (IG) | Pulse generation (See waveform 2) |
| P62-23 (SPSW) - P62-28 (GND) | Y - W-B | Steering pad switch assembly signal (distance control signal) | Engine switch on (IG), vehicle-to-vehicle distance control switch (steering pad switch assembly) off | 4.75 to 5.25 V |
| Engine switch on (IG), vehicle-to-vehicle distance control switch (steering pad switch assembly) on | Below 1 V | |||
| P62-28 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
Waveform 1
CAN communication signal
| Item | Content |
|---|---|
| Tester Connection |
|
| Tool Setting | 1 V/DIV., 10 μsec./DIV. |
| Condition | Engine switch on (IG) |
Tech Tips
The waveform varies depending on the CAN communication signal.
Waveform 2
CAN communication signal
| Item | Content |
|---|---|
| Tester Connection |
|
| Tool Setting | 1 V/DIV., 10 μsec./DIV. |
| Condition | Engine switch on (IG) |
Tech Tips
The waveform varies depending on the CAN communication signal.
CHECK ECM
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| A58-9 (SFTU) - G42-53 (E1) | B - BR | Up-shift switch signal | Engine switch on (IG), "+" shift paddle operated (up-shift) | Below 1 V |
| Engine switch on (IG), "+" shift paddle not operated (up-shift) | 11 to 14 V | |||
| A58-22 (SFTD) - G42-53 (E1) | W - BR | Down-shift switch signal | Engine switch on (IG), "-" shift paddle operated (down-shift) | Below 1 V |
| Engine switch on (IG), "-" shift paddle not operated (down-shift) | 11 to 14 V | |||
| A58-27 (STP) - G42-53 (E1) | P - BR | Stop light switch assembly signal | Brake pedal depressed | 11 to 14 V |
| Brake pedal released | Below 1 V | |||
| A58-28 (ST1-) - G42-53 (E1) | V - BR | Stop light switch assembly signal | Engine switch on (IG), brake pedal depressed | Below 1 V |
| Engine switch on (IG), brake pedal released | 11 to 14 V | |||
| A58-11 (CCS) - G42-53 (E1) | L - BR | Cruise control switch circuit | Cruise control main switch, +RES switch, -SET switch and CANCEL switch not pushed | 1 MΩ or higher |
| Cruise control main switch pushed | Below 2.5 Ω | |||
| CANCEL switch ON | 228 to 252 Ω | |||
| +RES switch ON | 599 to 661 Ω | |||
| -SET switch ON | 1463 to 1617 Ω | |||
| G42-53 (E1) - Body ground | BR - Body ground | ECM ground | Always | Below 1 Ω |
CHECK MILLIMETER WAVE RADAR SENSOR
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| F1-1 (SGND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| F1-2 (CA2L) - F1-1 (SGND) | GR - W-B | CAN communication signal | Engine switch on (IG) | Pulse generation (See waveform 2) |
| F1-3 (CA2H) - F1-1 (SGND) | L - W-B | CAN communication signal | Engine switch on (IG) | Pulse generation (See waveform 1) |
| F1-5 (CA1P) - F1-1 (SGND) | B - W-B | CAN communication signal | Engine switch on (IG) | Pulse generation (See waveform 1) |
| F1-6 (CA1N) - F1-1 (SGND) | W - W-B | CAN communication signal | Engine switch on (IG) | Pulse generation (See waveform 2) |
| F1-8 (IGB) - F1-1 (SGND) | SB - W-B | Power source | Engine switch on (IG) | 11 to 14 V |
Waveform 1
CAN communication signal
| Item | Content |
|---|---|
| Tester Connection |
|
| Tool Setting | 1 V/DIV., 10 μsec./DIV. |
| Condition | Engine switch on (IG) |
Tech Tips
The waveform varies depending on the CAN communication signal.
Waveform 2
CAN communication signal
| Item | Content |
|---|---|
| Tester Connection |
|
| Tool Setting | 1 V/DIV., 10 μsec./DIV. |
| Condition | Engine switch on (IG) |
Tech Tips
The waveform varies depending on the CAN communication signal.