Lexus LX - Heated Steering Wheel System How to Proceed with Troubleshooting; PROBLEM SYMPTOMS TABLE

HEATED STEERING WHEEL SYSTEM > HOW TO PROCEED WITH TROUBLESHOOTING
for Preparation Click here
HINT:
Use these procedures to troubleshoot the heated steering wheel system.
*: Use the intelligent tester.
1.VEHICLE BROUGHT TO WORKSHOP
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2.INSPECT BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
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3.PROBLEM SYMPTOMS TABLE
Result
Result Proceed to
Fault is not listed in problem symptoms table A
Fault is listed in problem symptoms table B
B. Go to step 5
A
4.OVERALL ANALYSIS AND TROUBLESHOOTING*
a. Terminals of ECU (Click here)
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5.REPAIR OR REPLACE
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6.CONFIRMATION TEST
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END