CK SUSP Warning Indicator Control Circuit

Description
The CK SUSP warning lamp is controlled by a ground signal provided to the combination meter by the suspension control unit.

Component Function Check

1. CHECK WARNING LAMP OPERATION

CONSULT-III
1. Turn ignition ON.
2. Select "WARNING LAMP" of AIR LEVELIZER active test items.
3. While operating test item, check that the warning lamp activates.
ON: Warning lamp turns ON
OFF: Warning lamp turns OFF
Does the warning lamp operate properly?
YES >> Warning lamp is operating normally.
NO >> Refer to "Diagnosis Procedure".

Diagnosis Procedure

1. PERFORM SUSPENSION CONTROL SYSTEM SELF-DIAGNOSIS

CONSULT-III
1. Turn ignition ON.
2. Perform SELF DIAGNOSIS function of AIR LEVELIZER system.
Are any DTC's present?
YES >> Refer to SCS-33, "DTC Index". Diagnostic Trouble Code Descriptions
NO >> ^ If warning lamp is always ON, GO TO 2.
^ If warning lamp is always OFF, GO TO 3

2. CHECK SUSPENSION CONTROL UNIT WARNING LAMP CONTROL
1. Turn ignition OFF.
2. Disconnect the suspension control unit connector B3.
3. Turn ignition ON.
Does the CK SUSP warning lamp turn ON?
YES >> GO TO 3.
NO >> Replace the suspension control unit.

3. CHECK CONTINUITY OF WARNING LAMP CONTROL CIRCUIT








1. Turn ignition switch OFF.
2. Disconnect suspension control unit connector B3 and combination meter connector M24.
3. Check continuity between suspension control unit connector B3 (A) terminal 10 and combination meter connector M24 (B) terminal 15.
4. Check continuity between suspension control unit connector B3 (A) terminal 10 and ground.





Are the continuity test results as specified?
YES >> Replace the combination meter.
NO >> Repair harness or connector.