Malfunction in Water Temperature Warning Light

MALFUNCTION IN WATER TEMPERATURE WARNING LIGHT

Wiring Diagram Part 1:

Wiring Diagram Part 2:

Step 1 - 2:

Step 3 - 4:

Step 5 - 6:

INSPECTION PROCEDURE

HINT:
- Start the inspection from step 1 when using the hand-held tester and start from step 2 when not using the hand-held tester.
- If there is an open or short in the engine coolant temperature sensor circuit, the ECM outputs DTCs. Perform troubleshooting with the "SFI System".