Lexus ES: IG Power Source Circuit
DESCRIPTION
When the engine switch is turned on (IG), the IG power source circuit supplies positive (+) voltage to the multiplex tilt and telescopic ECU.
WIRING DIAGRAM
.png)
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
| 1. | CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - BATTERY) |
| (a) Disconnect the G63 multiplex tilt and telescopic ECU connector. |
|
.png)
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| G63-10 (IG) - Body ground | Engine switch on (IG) | 11 to 14 V |
| NG | .gif) | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
.gif)
| 2. | CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - BODY GROUND) |
| (a) Disconnect the G63 multiplex tilt and telescopic ECU connector. |
|
.png)
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| G63-1 (GND) - Body ground | Always | Below 1 Ω |
| G63-8 (GND2) - Body ground | Always | Below 1 Ω |
| OK | | REPLACE MULTIPLEX TILT AND TELESCOPIC ECU |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
READ NEXT:
Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during stee
Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT NOTICE: Before replacing the steering lock actuator assembly, refer to Registration. for Gasoline Model: Click here for HV Model: Click here PROCEDURE 1. REM
SEE MORE:
Initialization
INITIALIZATION NOTICE:
Initialization can be confirmed through the tire pressure warning light.
If the engine switch is turned off during initialization, the tire pressure warning ECU and receiver memorizes that initialization was being performed. Therefore, it is not necessary to perform the i
Left Rear Wheel ABS Hold Solenoid Control Circuit Short to Battery (C12D112,...,C12DC49)
DESCRIPTION The ABS solenoid relay and solenoid valves are built into the brake actuator assembly. The rear solenoid valve LH controls the brake fluid pressure of the rear wheel cylinder LH of the vehicle. When this DTC is stored, the fail-safe function operates and the ABS solenoid relay is turned
