Meter / Gauge System Entire Combination Meter Does Not Operate
Meter. Lexus Gs430, Gs300. Uzs190 Grs190
WIRING DIAGRAM
INSPECTION PROCEDURE
INSPECT COMBINATION METER (POWER SOURCE SYSTEM)
INSPECT COMBINATION METER (AUTOMATIC LIGHT CONTROL SENSOR SYSTEM)
INSPECT AUTOMATIC LIGHT CONTROL SENSOR
METER / GAUGE SYSTEM - Entire Combination Meter does not Operate |
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.INSPECT COMBINATION METER (POWER SOURCE SYSTEM) |
Disconnect the L31 connector.
Measure the resistance of the wire harness side connector.
- Standard resistance:
Terminal No.
| Condition
| Specified Condition
|
L31-20 - Body ground
| Always
| Below 1 Ω
|
Measure the voltage of the wire harness side connector.
- Standard voltage:
Terminal No.
| Condition
| Specified Condition
|
L31-1 - Body ground
| Always
| 10 to 14 V
|
L31-21 - Body ground
| Always
| 10 to 14 V
|
L31-22 - Body ground
| Always
| 10 to 14 V
|
| | REPAIR OR REPLACE HARNESS AND CONNECTOR |
|
|
| 2.INSPECT COMBINATION METER (AUTOMATIC LIGHT CONTROL SENSOR SYSTEM) |
Disconnect the L31 connector.
Measure the resistance of the wire harness side connector.
- Standard resistance:
Terminal No.
| Condition
| Specified Condition
|
L31-36 - Body ground
| Always
| 10 kΩ or higher
|
| OK |
|
|
|
| REPLACE COMBINATION METER |
|
| 3.INSPECT AUTOMATIC LIGHT CONTROL SENSOR |
Disconnect the W33 automatic light control sensor connector.
Disconnect the L31 connector.
Measure the resistance of the wire harness side connector.
- Standard resistance:
Terminal No.
| Condition
| Specified Condition
|
L31-36 - L31-18
| Always
| 10 kΩ or higher
|
L31-36 - Body ground
| Always
| 10 kΩ or higher
|
| | REPAIR OR REPLACE HARNESS AND CONNECTOR |
|
|
| OK |
|
|
|
| REPLACE AUTOMATIC LIGHT CONTROL SENSOR |
|
