How To Proceed With Troubleshooting

SEAT: CLIMATE CONTROL SEAT SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* Use these procedures to troubleshoot the climate control seat system.
* *: Use the Techstream.
1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

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

NEXT -- Continue to next step.

3. INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*

(a) Using the Techstream, check if the LIN communication system is functioning normally.





B -- Go to LIN COMMUNICATION SYSTEM LIN Communication System
A -- Continue to next step.

4. CHECK FOR DTC*

(a) Check for DTC's Reading and Clearing Diagnostic Trouble Codes.

(b) Clear the DTC's Reading and Clearing Diagnostic Trouble Codes.

(c) Recheck for DTC's Reading and Clearing Diagnostic Trouble Codes.





B -- Go to step 7
A -- Continue to next step.

5. PROBLEM SYMPTOMS TABLE





B -- Go to step 7
A -- Continue to next step.

6. OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Data List / Active Test Climate Control Seat System.

(b) Terminals of ECU Climate Control Seat System.

(c) Operation Check Operation Check.

NEXT -- Continue to next step.

7. REPAIR OR REPLACE

NEXT -- Continue to next step.

8. CONFIRMATION TEST

NEXT -- END