Diagnosis Procedure
WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK STOP LAMP SWITCH CIRCUIT
- Turn ignition switch OFF.
- Check the stop lamp when depressing and releasing the brake pedal.STOP LAMP SWITCH SPECIFICATION
Brake pedal Stop lamp Fully released Not illuminated Slightly depressed Illuminated
Is the inspection result normal?
YES: GO TO 4.
NO: GO TO 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.VOLTAGE SPECIFICATION
Stop lamp switch Ground Voltage Connector Terminal E38 3 Ground Battery voltage
Is the inspection result normal?
YES: GO TO 4.
NO: GO TO 3.
- DETECT MALFUNCTIONING PART
Check the following.
- Fuse block (J/B) connector E6
- 10 A fuse (No. 7)
- Harness for open or short between battery and stop lamp switch
: Repair open circuit, short to ground or short to power in harness or connectors.
- 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.CONTINUITY CHART
Stop lamp switch ECM Continuity Connector Terminal Connector Terminal E38 4 E10 106 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.
- DETECT MALFUNCTIONING PART
Check the following.
- Fuse block (J/B) connector E6
- Junction block connectors E44, E45
- 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.
- CHECK STOP LAMP SWITCH
Refer to "COMPONENT INSPECTION (STOP LAMP SWITCH) ".
Is the inspection result normal?
YES: GO TO 7.
NO: Replace stop lamp switch.
- CHECK INTERMITTENT INCIDENT
Refer to "INTERMITTENT INCIDENT ".
: INSPECTION END