TC and CG Terminal Circuit

LIGHTING SYSTEM: TC and CG Terminal Circuit

TC and CG Terminal Circuit

DESCRIPTION

Connecting terminals TC and CG of the DLC3 causes the ECU to display the DTC by blinking the DOOR warning light.

WIRING DIAGRAM





HINT: When each warning light stays blinking, a ground short in the wiring of terminal TC of the DLC3 or an internal ground short in each ECU is suspected.

INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (DLC3 - MULTIPLEX NETWORK BODY ECU)





(a) Turn the ignition switch to the LOCK position.
(b) Disconnect the B7 connector of the multiplex network body ECU.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (TC of DLC3 - TC of MULTIPLEX NETWORK BODY ECU)
OK -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (CG of DLC3 - BODY GROUND)





(a) Measure the resistance according to the value(s) in the table below.
Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (CG of DLC3 - BODY GROUND)
OK -- Continue to next step.
3. CHECK HARNESS AND CONNECTOR (TC of DLC3 - BODY GROUND)





(a) Measure the resistance according to the value(s) in the table below.
Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY