Lexus ES: Tire Pressure Warning System (for Hv Model)
Lexus ES (XZ10) Service Manual / Suspension / Tire Pressure Monitoring / Tire Pressure Warning System (for Hv Model)
- Precaution
- Parts Location
- System Diagram
- How To Proceed With Troubleshooting
- Operation Check
- Registration
- Initialization
- Test Mode Procedure
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Dtc Check / Clear
- Fail-safe Chart
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Tire Pressure Monitor Receiver Communication Stop (B1247)
- Transmitter ID1 Operation Stop (C2111-C2114)
- Transmitter ID 1 not Received (Main) (C2121-C2124,C2181-C2184)
- Transmitter ID not Received (Main) (C2126)
- Auto ID Under Registration (C2128)
- Transmitter ID1 Error (C2141-C2144)
- Transmitter ID not Registered (Main) (C2171)
- Receiver Error (C2176)
- Initialization not Completed (C2177)
- Vehicle Speed Information Communication Lost (C2178)
- Tire Pressure Monitor ECU Communication Stop (C2179)
- Initialization Switch Error (for Test Diagnosis) (C2198)
- Lost Communication with Brake System Control Module (U0129)
- Tire Position Not Identified
- Tire Pressure Warning Light Circuit
- Cannot Switch to Automatic ID Registration Mode
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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 TIRE PRESSURE WARNING ECU AND RECEIVER *2 TIRE PRESSURE WARNING VALVE AND TRANSMITTER ILLUSTRATION *1 STEERING PAD SWITCH ASSEMBLY *2 COMBINATION
System Diagram
SYSTEM DIAGRAM HINT: Each tire pressure warning valve and transmitter sends its transmitter ID, temperature and tire pressure information to the tire pressure warning ECU and receiver. Transmitti
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Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE BRAKE MASTER CYLINDER STRAIGHT PIN (a) Secure the brake master cylinder sub-assembly in a vise. NOTICE: Place aluminum plates on the vise to prevent damage to the brake master cylinder sub-assembly. (b) Using a 5 mm pin punch and a hammer, tap out the brake master
Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during fuel pressure sensor (fuel delivery pipe with sensor assembly LH) removal/installation are shown below.
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