A/T Check Indicator Lamp Does Not Come On

A/T CHECK Indicator Lamp Does Not Come On

SYMPTOM: AT CHECK indicator lamp does not come on for about 2 seconds when turning ignition switch to "ON".

DIAGNOSTIC PROCEDURE
1. CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis. Refer to AT-85, "SELF-DIAGNOSTIC RESULT MODE". With Manufacturer's Scan Tool

Is a malfunction in the CAN communication indicated in the results?
YES >> Check CAN communication line. Refer to "DTC U1000 CAN COMMUNICATION LINE" Transmission Control Systems.
NO >> GO TO 2.

2. CHECK A/T CHECK INDICATOR LAMP CIRCUIT
Check the combination meter. Refer to "COMBINATION METERS".

OK or NG
OK >> GO TO 3.
NG >> Repair or replace damaged parts.

3. CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit.

OK or NG
OK >> INSPECTION END
NG >> Repair or replace damaged parts.