TC and CG Terminal Circuit

SUSPENSION CONTROL: AIR SUSPENSION SYSTEM: TC and CG Terminal Circuit

TC and CG Terminal Circuit

DESCRIPTION

DTC is output when there is a short circuit between terminals TC and CG of DLC3.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DLC3 TERMINAL VOLTAGE (TC TERMINAL)




(a) Turn the ignition switch to the ON position.
(b) Measure voltage between terminals TC and CG of DLC3.
Standard voltage:
10 to 14 V
OK -- CHECK HARNESS AND CONNECTOR (DLC3 - SUSPENSION CONTROL ECU)

NG -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND)
(a) Check for open and short circuit in the harness and the connector between terminal CG of DLC3 and body ground Electronic Circuit Inspection Procedure.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (DLC3 - SUSPENSION CONTROL ECU)
(a) Check for open and short circuit in the harness and the connector between terminal TC of DLC3 and the suspension control ECU Electronic Circuit Inspection Procedure.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE SUSPENSION CONTROL ECU