Lexus ES manuals

Lexus ES: 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.
Sliding Roof System

Symptom

Suspected Area

Link

Remote control system does not operate

Refer to the "Remote Control System does not Operate".

Key-off operation function operates even if operating conditions are not satisfied

Refer to the "Key-off Operation Function Operates even if Operating Conditions are not Satisfied".

Sliding roof does not move by operating sliding roof control switch

Refer to the "Sliding Roof does not Move by Operating Sliding Roof Control Switch".

READ NEXT:

 Terminals Of Ecu

TERMINALS OF ECU CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) (a) Disconnect the P22 sliding roof ECU (sliding roof drive gear sub-assembly) connector. (b) Measure the resistance and

 Diagnosis System

DIAGNOSIS SYSTEM DESCRIPTION (a) Sliding roof system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). When the system seems to be malfunctioning,

 Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Sliding Roof / Troub

SEE MORE:

 Open in B Power Line (B242F)

DESCRIPTION The headlight ECU sub-assembly operates using the power source voltage input from the IG terminal and ECUB terminal. The power source voltage of the ECUB terminal is supplied when the main body ECU (multiplex network body ECU) turns the ECUB power supply relay (H-LP LH relay and H-LP RH

 Flying Capacitor/Internal Control Module Hybrid/EV Battery Monitor Voltage Out of Range (P1AFD1C)

DESCRIPTION The battery ECU assembly monitors the HV battery voltage. If the battery ECU assembly detects a malfunction of its internal voltage detection circuits, it will store this DTC. HINT: If this DTC is output, it will be necessary to replace the battery ECU assembly. DTC No. Detection It

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