Lighting System Diagnosis Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK HARNESS AND CONNECTOR (DLC3 - HEADLIGHT LEVELING ECU ASSEMBLY)
LIGHTING SYSTEM - Diagnosis Circuit |
DESCRIPTION
The headlight leveling ECU outputs DTC information to the intelligent tester via this circuit.
WIRING DIAGRAM
INSPECTION PROCEDURE
- HINT:
- After replacing the headlight leveling ECU, initialization of the ECU is necessary (Toyota Fortuner RM000002CE402CX.html).
| 1.CHECK HARNESS AND CONNECTOR (DLC3 - HEADLIGHT LEVELING ECU ASSEMBLY) |
Disconnect the H17 headlight leveling ECU connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection
| Condition
| Specified Condition
|
H17-15 (PRST) - D3-7 (SIL)
| Always
| Below 1 Ω
|
H17-15 (PRST) - Body ground
| Always
| 10 kΩ or higher
|
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
