Lexus ES: Diagnosis System
Lexus ES (XZ10) Service Manual / Vehicle Interior / Mirror (ext) / Power Mirror Control System (for Hv Model With Memory) / Diagnosis System
DIAGNOSIS SYSTEM
CHECK DLC3
(a) Check the DLC3.
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INSPECT AUXILIARY BATTERY VOLTAGE
(a) Measure the auxiliary battery voltage with the power switch off.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the auxiliary battery.
READ NEXT:
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 / Mirror L or Mirror R
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a pa
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Power Mirror Control System (w/ Memory) DTC No. Detection Item Link U0142 Lost Communication with Main Body ECU
SEE MORE:
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
If CAN communication system and lane control system DTCs are not output and any of the following problem symptoms exist, perform troubleshooting by checking the appropriate suspected areas in the order they are listed.
Use the table below to help determine the cause
Low or High Power Supply Voltage (C1241)
DESCRIPTION If a malfunction is detected in the power supply circuit, the skid control ECU (brake booster with master cylinder assembly) power source voltage drops, or there is insufficient voltage to operate the main relay, the skid control ECU (brake booster with master cylinder assembly) will sto
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