Electric Steering Lock Power Source Circuit
Steering. Lexus Gs430, Gs300. Uzs190 Grs190
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK HARNESS AND CONNECTOR (STEERING LOCK ACTUATOR ASSEMBLY - BODY GROUND)
CHECK HARNESS AND CONNECTOR (STEERING LOCK ACTUATOR ASSEMBLY - BATTERY)
ELECTRIC STEERING LOCK - Power Source Circuit |
DESCRIPTION
This circuit supplies power source voltage from the battery to terminal B of the steering lock ECU. This is used as power source for the CPU, motor, communication, and peripheral circuits.
WIRING DIAGRAM
INSPECTION PROCEDURE
1.CHECK HARNESS AND CONNECTOR (STEERING LOCK ACTUATOR ASSEMBLY - BODY GROUND) |
Disconnect the L28 connector from the steering lock actuator assembly.
Measure the resistance according to the value(s) in the table below.
- Resistance:
Tester connection (Symbols)
| Condition
| Specified condition
|
L28-1 (GND) - Body ground
| Always
| Below 1 Ω
|
L28-2 (SGND) - Body ground
| Always
| Below 1 Ω
|
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
2.CHECK HARNESS AND CONNECTOR (STEERING LOCK ACTUATOR ASSEMBLY - BATTERY) |
Measure the voltage according to the value(s) in the table below.
- Voltage:
Tester connection (Symbols)
| Condition
| Specified condition
|
L28-7 (B) - L28-1 (GND)
| Always
| 10 to 14 V
|
L28-7 (B) - L28-2 (SGND)
| Always
| 10 to 14 V
|
| PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE |
|
|
NG |
|
|
|
REPAIR OR REPLACE HARNESS OR CONNECTOR (STEERING LOCK ACTUATOR ASSEMBLY - BATTERY) |
|