Lighting System Power Source Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
INSPECT FUSE (ECU-IG NO. 1, ECU-B)
CHECK HARNESS AND CONNECTOR (BATTERY - DAYTIME RUNNING LIGHT RELAY)
CHECK HARNESS AND CONNECTOR (DAYTIME RUNNING LIGHT RELAY - BODY GROUND)
LIGHTING SYSTEM - Power Source Circuit |
DESCRIPTION
This circuit detects the state of the ignition switch, and sends it to the daytime running light relay.
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.INSPECT FUSE (ECU-IG NO. 1, ECU-B) |
Remove the ECU-IG No. 1 fuse from the instrument panel junction block assembly.
Remove the ECU-B fuse from the engine room relay block and junction block.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection
| Condition
| Specified Condition
|
ECU-IG No. 1 fuse
| Always
| Below 1 Ω
|
ECU-B fuse
| Always
| Below 1 Ω
|
| 2.CHECK HARNESS AND CONNECTOR (BATTERY - DAYTIME RUNNING LIGHT RELAY) |
Disconnect the E91 daytime running light relay connector.
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
Tester Connection
| Condition
| Specified Condition
|
E91-1 (+B) - Body ground
| Always
| 11 to 14 V
|
E91-12 (IG) - Body ground
| Ignition switch ON
| 11 to 14 V
|
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
| 3.CHECK HARNESS AND CONNECTOR (DAYTIME RUNNING LIGHT RELAY - BODY GROUND) |
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection
| Condition
| Specified Condition
|
E91-11 (E) - Body ground
| Always
| Below 1 Ω
|
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
