C1808

C1808 INTEGRAL TIME MALFUNCTION SUPPLYING AIR





Description
The suspension air compressor is supplied power by the compressor motor relay. The suspension control unit supplies power to the compressor motor relay in order to activate the relay and subsequently activate the suspension air compressor.




DTC Logic

DTC DETECTION LOGIC









Diagnosis Procedure
1.CHECK COMPRESSOR MOTOR RELAY OPERATION

CAUTION:
The "COMPRESSOR" active test will remain ON until it is turned off using CONSULT-III. Allowing the compressor to run for an extended period of time may cause damage to the air levelizer system components due to excessive air pressure.
CONSULT-III
1. Turn ignition ON.
2. Select "COMPRESSOR" of AIR LEVELIZER active test items.
3. While operating test item, check that the suspension air compressor turns ON.

ON : Compressor turns ON
OFF : Compressor turns OFF

Does the suspension air compressor operate properly?
YES - Compressor motor relay and suspension air compressor are operating normally.
NO - Diagnosis Procedure.