Lexus ES: Diagnostic Trouble Code Chart
Lexus ES (XZ10) Service Manual / Drivetrain / Gf1a (transfer / 4wd / Awd) / Dynamic Torque Control Awd System / Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Dynamic Torque Control AWD System| DTC No. | Detection Item | Link |
|---|---|---|
| C120C | Linear Solenoid Power Supply System Malfunction | |
| C1241 | Low or High Power Supply Voltage | |
| C1280 | Engine Circuit Malfunction | |
| C1296 | ABS Malfunction | |
| C1297 | Steering Angle Sensor | |
| C1298 | Linear Solenoid Circuit | |
| C1299 | Cancellation of 4WD Control | |
| C1337 | Diameter of the Tire is not Uniform | |
| U0073 | Control Module Communication Bus Off | |
| U0100 | Lost Communication with ECM / PCM "A" | |
| U0126 | Lost Communication with Steering Angle Sensor Module | |
| U0129 | Lost Communication with Brake System Control Module | |
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Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Check the DTCs. (1) Connect the Techstream to the DLC3. (2) Turn the engine switch on (IG). (3) Turn the Techstream on. (4) Read the DTCs following the prompts on the T
Fail-safe Chart
FAIL-SAFE CHART FAIL-SAFE CHART Dynamic Torque Control AWD System DTC No. Trouble Area AWD Warning Message Fail-safe Operation Memory Fail-safe Deactivation Condition C120C Linear S
Freeze Frame Data
FREEZE FRAME DATA FREEZE FRAME DATA (a) When a DTC is stored, the 4WD ECU assembly stores the current vehicle state as Freeze Frame Data. HINT: Freeze Frame Data at the time a DTC is stored:
When t
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Inspection
INSPECTION PROCEDURE 1. INSPECT LUGGAGE DOOR OPENING SWITCH (TRUNK AND FUEL SWITCH ASSEMBLY) (a) Check the switch. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 4 (B) - 3 (L) Pressed (On)
DC/DC Converter Temperature Sensor "A" Circuit Voltage Out of Range (P0C381C)
DTC SUMMARY MALFUNCTION DESCRIPTION These DTCs indicate that the boost converter temperature sensor (upper) value is abnormal. The cause of this malfunction may be one of the following: Internal inverter malfunction
Inverter with converter assembly internal circuit malfunction
Hybrid cooling
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