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Specification data are reference values and are measured between each terminal and body ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM’s transistor. Use a ground other than ECM terminals, such as the ground.
TER-
MINAL
NO.
WIRE
COLOR
ITEM CONDITION DATA (DC Voltage)
55 R/G Stop lamp switch
[Engine is running]
I Brake pedal fully released
Approximately 0V
[Engine is running]
I Brake pedal fully depressed
BATTERY VOLTAGE
(11 - 14V)
Diagnostic Procedure
NFEC1283
1 CHECK STOP LAMP SWITCH CIRCUIT
1. Turn ignition switch “OFF”.
2. Check the stop lamp when depressing and releasing the brake pedal.
MTBL1138
OK or NG
OK © GO TO 4.
NG © GO TO 2.
DTC P1805 BRAKE SWITCH
Wiring Diagram (Cont’d)
EC-680
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