DTC C0040-23; Brake Switch (No. 1 Signal) Circuit Malfunction: Notes
DTC C0040-23; BRAKE SWITCH (NO. 1 SIGNAL) CIRCUIT MALFUNCTION - DETECTION CONDITION AND POSSIBLE CAUSES
| Description |
Brake switch (No. 1 signal) circuit malfunction |
| Detection condition |
- The start stop unit detected the following condition 5 times continuously with the ignition switched ON (engine off or on).
- The brake switch (No. 1 signal) is OFF for a continuous 3 s or more even though the brake switch (No. 2 signal) changes.
|
| Fail-safe |
- Determined by brake switch (No. 2 signal) with the brake pedal depressed.
|
| Possible cause |
- Brake switch connector or terminal malfunction
- Brake switch (No. 1 signal) malfunction
- Brake switch (No. 1 signal) power supply circuit malfunction
- Short to ground in wiring harness between MAIN 200 A fuse and brake switch terminal A
- STOP 10 A fuse malfunction
- MAIN 200 A fuse malfunction
- Open circuit in wiring harness between battery positive terminal and brake switch terminal A
- Start stop unit connector or terminal malfunction
- Short to ground in wiring harness between brake switch terminal D and start stop unit terminal 1C
- Open circuit in wiring harness between brake switch terminal D and start stop unit terminal 1C
- Start stop unit malfunction
|
|
|