A/T Check Indicator Lamp Does Not Come On

A/T CHECK Indicator Lamp Does Not Come On
SYMPTOM:
A/T 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 self-diagnosis. Refer to SELF-DIAGNOSTIC RESULT MODE, With Manufacturer's Scan Tool and Without 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.
NO >> GO TO 2.

2. CHECK A/T CHECK INDICATOR LAMP CIRCUIT
Check combination meter.
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. Refer to MAIN POWER SUPPLY AND GROUND CIRCUIT.
OK or NG
OK >> INSPECTION END
NG >> Repair or replace damaged parts.