CAUTION / NOTICE / HINT
HINT:
- Use this procedure to troubleshoot the climate control seat system.
- *: Use the Techstream.
PROCEDURE |
1. | VEHICLE BROUGHT TO WORKSHOP |
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| 2. |
CUSTOMER PROBLEM ANALYSIS | (a) Interview the customer to confirm the problem.
Click here 
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(a) Measure the auxiliary battery voltage with the power switch off.
Standard Voltage: 11 to 14 V If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.
(b) Check the fuses and relays. (c)
Check the connector connections and terminals to make sure that there
are no abnormalities such as loose connections, deformation, etc.
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| 4. |
CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM* |
(a) Using the Techstream, check for LIN communication system DTCs. Click here
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Result | Proceed to | |
DTC B14B5 is not output |
A | | DTC B14B5 is output |
B |
| B |
 | GO TO SEAT HEATER SYSTEM |
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A | |
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| 5. |
PROBLEM SYMPTOMS TABLE | (a) Refer to Problem Symptoms Table.
Click here
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Result | Proceed to | |
Fault is not listed in Problem Symptoms Table |
A | | Fault is listed in Problem Symptoms Table |
B |
| B |
| GO TO STEP 7 |
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A | |
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| 6. |
OVERALL ANALYSIS AND TROUBLESHOOTING | (a) Terminals of ECU
Click here (b) On-vehicle Inspection
Click here
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