Lexus ES: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Tire Pressure Warning ECU and Receiver| DTC No. | Detection Item | Note | Link |
|---|---|---|---|
| B1247 | Tire Pressure Monitor Receiver Communication Stop | This DTC is for main body ECU (multiplex network body ECU) | |
| C2111 | Transmitter ID1 Operation Stop | - | |
| C2112 | Transmitter ID2 Operation Stop | - | |
| C2113 | Transmitter ID3 Operation Stop | - | |
| C2114 | Transmitter ID4 Operation Stop | - | |
| C2121 | Transmitter ID 1 not Received (Main) | - | |
| C2122 | Transmitter ID 2 not Received (Main) | - | |
| C2123 | Transmitter ID 3 not Received (Main) | - | |
| C2124 | Transmitter ID 4 not Received (Main) | - | |
| C2126 | Transmitter ID not Received (Main) | - | |
| C2128 | Auto ID Under Registration | - | |
| C2141 | Transmitter ID1 Error | - | |
| C2142 | Transmitter ID2 Error | - | |
| C2143 | Transmitter ID3 Error | - | |
| C2144 | Transmitter ID4 Error | - | |
| C2171 | Transmitter ID not Registered (Main) | - | |
| C2176 | Receiver Error | - | |
| C2177 | Initialization not Completed | - | |
| C2178 | Vehicle Speed Information Communication Lost | - | |
| C2179 | Tire Pressure Monitor ECU Communication Stop | - | |
| C2181 | Transmitter ID 1 not Received (for Test Diagnosis) | - | |
| C2182 | Transmitter ID 2 not Received (for Test Diagnosis) | - | |
| C2183 | Transmitter ID 3 not Received (for Test Diagnosis) | - | |
| C2184 | Transmitter ID 4 not Received (for Test Diagnosis) | - | |
| C2198 | Initialization Switch Error (for Test Diagnosis) | - | |
| U0129 | Lost Communication with Brake System Control Module | - | |
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Tire Pressure Monitor Receiver Communication Stop (B1247)
DESCRIPTION The main body ECU (multiplex network body ECU) and tire pressure warning ECU and receiver communicate by direct line. If a malfunction occurs in this communication signal, B1247 is output
Transmitter ID1 Operation Stop (C2111-C2114)
DESCRIPTION The tire pressure warning valve and transmitters that are installed in the tire and wheel assemblies measure the tire pressure of each wheel. The measured values are transmitted to the tir
Transmitter ID 1 not Received (Main) (C2121-C2124,C2181-C2184)
DESCRIPTION The tire pressure warning valve and transmitters that are installed in the tire and wheel assemblies measure the tire pressure of each wheel. The measured values are transmitted to the tir
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Terminals Of Ecu
TERMINALS OF ECU CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY (a) Disconnect the J20 multiplex network master switch assembly connector. (b) Measure the voltage and resistance according to the value(s) in the table below. HINT: Measure the values on the wire harness side with the connector discon
On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT WINDSHIELD WIPER MOTOR ASSEMBLY (a) for RH Side (1) Operate the windshield wiper motor assembly. (2) Stop the windshield wiper motor assembly operation. (3) Check the automatic stop (park) position. HINT: After the front wiper motor is stopped, check the
