Lexus ES: 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 Solenoid Power Supply System Malfunction | Displayed | Prohibited | Yes | Engine switch off |
| C1241 | Low or High Power Supply Voltage | Displayed | Prohibited | Yes | Engine switch off |
| C1280 | Engine Circuit Malfunction | Displayed | Partially permitted | Yes | Engine switch off |
| C1296 | ABS Malfunction | Displayed | Prohibited | Yes | Engine switch off |
| C1297 | Steering Angle Sensor | Displayed | Partially permitted | Yes | Engine switch off |
| C1298 | Linear Solenoid Circuit | Displayed | Prohibited | Yes | Engine switch off |
| C1299 | Cancellation of 4WD Control | Displayed | Prohibited | Yes | Engine switch off |
| C1337 | Diameter of the Tire is not Uniform | Displayed | Prohibited | Yes | Engine switch off |
| U0073 | Control Module Communication Bus Off | Displayed | Prohibited | Yes | Communication returned to normal |
| U0100 | Lost Communication with ECM / PCM "A" | Displayed | Partially permitted | Yes | Communication returned to normal |
| U0126 | Lost Communication with Steering Angle Sensor Module | Displayed | Partially permitted | Yes | Communication returned to normal |
| U0129 | Lost Communication with Brake System Control Module | Displayed | Prohibited | Yes | Communication returned to normal |
READ NEXT:
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
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure listed to troubleshoot the Dynamic Torque Control AWD System.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
Parts Location
PARTS LOCATION ILLUSTRATION *1 BRAKE ACTUATOR ASSEMBLY - SKID CONTROL ECU *2 ECM *3 FRONT SPEED SENSOR LH *4 FRONT SPEED SENSOR RH *5 REAR SKID CONTROL SENSOR LH *6 REAR
SEE MORE:
Right Front Wheel Speed Sensor Supply Voltage Circuit Short to Ground or Open (C14E314)
DESCRIPTION Refer to DTC C050612 Click here DTC No. Detection Item DTC Detection Condition Trouble Area C14E314 Right Front Wheel Speed Sensor Supply Voltage Circuit Short to Ground or Open An open or short in the speed sensor power supply circuit is detected for 0.12 seconds or m
Components
COMPONENTS ILLUSTRATION *A for Driver Side *B for Front Passenger Side *1 COURTESY LIGHT ASSEMBLY *2 FRONT DOOR TRIM BOARD SUB-ASSEMBLY *3 MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY WITH FRONT DOOR UPPER ARMREST BASE PANEL *4 NO. 2 DOOR TRIM PAD *5 OUTER MIRROR CONT
