Toyota Camry (XV70): How To Proceed With Troubleshooting
Toyota Camry Repair Manual XV70 (2018-2024) / Steering / Steering Column / Heated Steering Wheel System / How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use these procedures to troubleshoot the heated steering wheel system.
PROCEDURE
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1. | VEHICLE BROUGHT TO WORKSHOP |
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2. | INSPECT BATTERY VOLTAGE |
(a) Measure the battery voltage with the ignition switch off.
Standard voltage:
11 to 14 V (Ignition switch off)
If the voltage is below 11 V, replace or recharge the battery before proceeding to the next step.
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3. | PROBLEM SYMPTOMS TABLE |
HINT:
Refer to Problem Symptoms Table.
Click here
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4. | REPAIR OR REPLACE |
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5. | CONFIRMATION TEST |
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READ NEXT:
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of pr
Components
COMPONENTS ILLUSTRATION
*1 STEERING WHEEL ASSEMBLY
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Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping"
SEE MORE:
Weather and traffic information cannot be obtained
CAUTION / NOTICE / HINT NOTICE: When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:
A communication malfunction DTC may be stored.
The radi
Open in Bus 3 Main Bus Line
DESCRIPTION There may be an open circuit in one of the CAN main bus lines when the resistance between terminals 6 (CA3H) and 21 (CA3L) of the central gateway ECU (network gateway ECU) is 70 Ω or higher.
Symptom Trouble Area
Resistance between terminals 6 (CA3H) and 21 (CA3L) of
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