Toyota Tundra Service Manual: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

• Use these procedures to troubleshoot the air conditioning system.
• *: Use the Techstream.

PROCEDURE

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Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

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(a) Use the Techstream to check if the CAN communication system is functioning normally.

Click here

B

GO TO CAN COMMUNICATION SYSTEM

A

(a) Check for DTCs and note any codes that are output.

Click here

(b) Delete the DTC.

Click here

(c) Recheck for DTCs. Based on the DTCs output above, try to force output of the air conditioning system DTC by simulating the operation indicated by the DTC.

B

GO TO STEP 7

A

(a) Refer to the problem symptoms table.

Click here

B

GO TO STEP 7

A

(a) DATA LIST / ACTIVE TEST

Click here

(b) Terminals of ECU

Click here

(c) On-vehicle Inspection

(d) Inspection

NEXT

NEXT

END