Possible DTC :P0703
＊ CC-CODE
C004 (Plausibility error)
After ignition on, brake signal 1, and signal 2 are different each other, error is detected.
Without being concerned with brake signal 1, if only brake signal 2 is turned on continuously for set time, error is detected.
Possible causes of trouble :
Open circuit in wiring , Short circuit Fuse defective Poor connection Switch defective |
Brake switch 1
Measure the supply voltage at switch pin 2 to GND with ignition on.
Set value : 8 ~ 15V
Check the fuse if set value is not attained.
Ignition off
Measure the supply voltage at the detached plug. Depress the brake.
Check wiring between switch pin 1 and ECU pin 59.
Brake switch 2 (Redundant brake switch)
Measure the supply voltage at switch pin 4 to GND with ignition on.
Set value : 8 ~ 15V
Check the fuse if set value is not attained.
Ignition off
Measure the resistance of switch at the detached plug.
Depress the brake.
Check wiring between switch pin 3 and ECU pin 4.
