Lexus ES: Heated Steering Wheel System (for Hv Model)
Lexus ES (XZ10) Service Manual / Steering / Steering Column / Heated Steering Wheel System (for Hv Model)
- Precaution
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Customize Parameters
- Problem Symptoms Table
- Terminals Of Ecu
- Dtc Check / Clear
- Fail-safe Chart
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Lost Communication with Steering Heater ECU (B14B7)
- Steering Wheel does not Heat Up When Heated Steering Wheel Switch is Pressed
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Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) auxiliary battery terminal, initialize the following s
Parts Location
PARTS LOCATION ILLUSTRATION *1 SPIRAL CABLE SUB-ASSEMBLY *2 STEERING WHEEL HEATER SWITCH (REFRESHING SEAT SWITCH) *3 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - ECU-IG1 NO. 3 FUSE *4
System Diagram
SYSTEM DIAGRAM SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line Radio Receiver Assembly Air Conditioning Amplifier Assembly
Steering wheel heater switch operation co
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Hybrid/EV Battery Negative Contactor Circuit Short to Ground (P0ADD11)
DESCRIPTION Refer to the description for DTC P0AE411. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate P0ADD11 Hybrid/EV Battery Negative Contactor Circuit Short to Ground Short to ground in the SMRG circuit: Primary circuit of SMR (-
Back-up Light Circuit
DESCRIPTION The hybrid vehicle control ECU controls the back-up lights via the BKUP LP relay. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
Before replacing the hybrid vehicle control ECU, refer t
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