SUSPENSION AIR COMPRESSOR: Diagnosis Procedure
WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".
- CHECK COMPRESSOR MOTOR RELAY OPRATION
CONSULT
- Disconnect the suspension air compressor connector C9.
- Turn ignition switch ON.
- Select "COMPRESSOR" under AIR LEVELIZER active test items.
- While operating the test item, check voltage at the suspension air compressor connector C9 terminal 4.
(+) (-) Voltage Connector Terminal C9 4 Ground Battery Voltage Courtesy of NISSAN NORTH AMERICA, INC.
Is battery voltage present?
YES: GO TO 3.
NO: GO TO 2.
- COMPRESSOR MOTOR RELAY POWER SUPPLY CIRCUIT CHECK
- Turn ignition switch OFF.
- Disconnect the compressor motor relay connector.
- Check continuity between compressor motor relay connector E131 (A) terminal 3 and suspension air compressor connector C9 (B) terminal 4.
A B Continuity Connector Terminal Connector Terminal E131 3 C9 4 Yes - Check continuity between compressor motor relay connector E131 (A) terminal 3 and ground.Fig 2: Checking Continuity Between Compressor Motor Relay Connector E131 Terminal 3 And Suspension Air Compressor Connector C9 Terminal 4
Courtesy of NISSAN NORTH AMERICA, INC.
A - Continuity Connector Terminal E131 3 Ground No Are the continuity test results as specified?
YES: Check compressor motor relay. Refer to "DIAGNOSIS PROCEDURE ".
NO: Repair harness or connector.
- GROUND CIRCUIT CHECK