TC and CG Terminal Circuit

CRUISE CONTROL: CRUISE CONTROL SYSTEM: TC and CG Terminal Circuit
- TC and CG Terminal Circuit

DESCRIPTION

Connecting terminals TC and CG of the DLC3 causes the system to enter self-diagnostic mode. If a malfunction is present, the cruise control indicator light will blink.

HINT
When a particular warning light remains blinking, a ground short in the wiring of terminal TC of the DLC3 or an internal ground short in the relevant ECU is suspected.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (TERMINAL TC of DLC3 - POWER MANAGEMENT CONTROL ECU)

(a) Disconnect the power management control ECU connector.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance (Check for Open):





(c) Reconnect the power management control ECU connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (DLC3 - POWER MANAGEMENT CONTROL ECU)
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (TERMINAL CG of DLC3 - BODY GROUND)

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





Standard Resistance (Check for Open):





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (DLC3 - BODY GROUND)
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (TERMINAL TC of DLC3 - BODY GROUND)

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





Standard Resistance (Check for Short):





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR OR EACH ECU

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Cruise Control System