Lexus ES: Problem Symptoms Table
Lexus ES (XZ10) Service Manual / Drivetrain / Gf1a (transfer / 4wd / Awd) / Dynamic Torque Control Awd System / Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | Link |
|---|---|---|
| Tight-corner braking phenomenon* | Linear solenoid circuit | .gif) |
| Steering sensor circuit | | |
| Brake control system | | |
| 4WD ECU assembly | | |
| AWD warning message remains displayed | AWD warning circuit | |
| AWD warning message is not displayed | AWD warning circuit | |
HINT:
*: Tight corner braking phenomenon: a phenomenon in which an AWD vehicle may lurch and decelerate due to a rotational speed difference between the front and rear wheels, such as during low-speed cornering in AWD mode.
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System Diagram
SYSTEM DIAGRAM
Terminals Of Ecu
TERMINALS OF ECU CHECK 4WD ECU ASSEMBLY (a) Measure the voltage and resistance of the connector. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition G
Control Module Communication Bus Off (U0073,U0100,U0126,U0129)
DESCRIPTION The 4WD ECU assembly inputs the signals sent from the ECM, skid control ECU (brake actuator assembly) and steering sensor via CAN communication. When DTCs indicating a CAN communication sy
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Camshaft Position Sensor "B" Bank 1 Circuit Short to Ground (P036511,P036515,P039011,P039015)
DESCRIPTION The VVT sensor (for exhaust camshaft) (EV1, EV2 signal) consists of a magnet and MRE (Magneto Resistance Element). The exhaust camshaft has a timing rotor for the VVT sensor. When the exhaust camshaft rotates, changes occur in the air gaps between the timing rotor and MRE, which affects
Cellular Phone Registration Failure
CAUTION / NOTICE / HINT NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.
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When replacing the radio receiver assembly, alw
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