1.CHECK STOP LAMP SWITCH CIRCUIT
Turn ignition switch OFF.
Check the stop lamp when depressing and releasing the brake pedal.
Brake pedal
Stop lamp
Fully released
Not illuminated
Slightly depressed
Illuminated
Is the inspection result normal?
YES
>>
GO TO 4
.
NO
>>
GO TO 2
.
2.CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
Disconnect stop lamp switch harness connector.
Check the voltage between stop lamp switch harness connector and ground.
Stop lamp switch
Ground
Voltage
Connector
Terminal
E110
1
Ground
Battery voltage
Is the inspection result normal?
YES
>>
GO TO 4
.
NO
>>
GO TO 3
.
3.DETECT MALFUNCTIONING PART
Check the following.
Fuse block (J/B) connector E103
10A fuse (No. 7)
Harness for open or short between stop lamp switch and battery
>>
Repair open circuit, short to ground or short to power in harness or connectors.
4.CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
Disconnect stop lamp switch harness connector.
Disconnect ECM harness connector.
Check the continuity between stop lamp switch harness connector and ECM harness connector.
Stop lamp switch
ECM
Continuity
Connector
Terminal
Connector
Terminal
E110
2
M107
110
Existed
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>>
GO TO 6
.
NO
>>
GO TO 5
.
5.DETECT MALFUNCTIONING PART
Check the following.
Fuse block (J/B) connector E103, M2
Harness for open or short between ECM and stop lamp switch
>>
Repair open circuit, short to ground or short to power in harness or connectors.
6.CHECK STOP LAMP SWITCH
Refer to
Component Inspection (Stop Lamp Switch) (GT-R certified NISSAN dealer)
.
Is the inspection result normal?
YES
>>
GO TO 7
.
NO
>>
Replace stop lamp switch.
7.CHECK INTERMITTENT INCIDENT
Refer to
Intermittent Incident
.
>>
INSPECTION END