TC and CG Terminal Circuit

TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM: TC and CG Terminal Circuit

TC and CG Terminal Circuit

DESCRIPTION

DTC output mode is set by connecting terminals 13 (TC) and 4 (CG) of the DLC3. The DTCs are indicated by the blinking pattern of the tire pressure warning light.

WIRING DIAGRAM




HINT: When various warning lights blink continuously, a ground short in terminal TC of the DLC3 or an internal ground short in an ECU connected to this circuit may have occurred.

INSPECTION PROCEDURE
NOTICE:
- When replacing the tire pressure warning ECU, read the transmitter IDs stored in the old ECU using the Techstream and write them down before removal.
- It is necessary to perform registration Programming and Relearning of the transmitter IDs into the tire pressure warning ECU after the ECU has been replaced.

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (DLC3 - TIRE PRESSURE WARNING ECU)




(a) Disconnect the D31 ECU connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE