Engine Immobiliser System (W/O Entry And Start System) Ecu Power Source Circuit
Securities. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
INSPECT FUSE (ECU-B2)
CHECK WIRE HARNESS (TRANSPONDER KEY ECU - BATTERY AND BODY GROUND)
ENGINE IMMOBILISER SYSTEM (w/o Entry and Start System) - ECU Power Source Circuit |
DESCRIPTION
This circuit provides power to operate the transponder key ECU.
WIRING DIAGRAM
INSPECTION PROCEDURE
Remove the ECU-B2 fuse from the No. 2 relay block.
Measure the resistance of the fuse.
- Standard resistance:
- Below 1 Ω
2.CHECK WIRE HARNESS (TRANSPONDER KEY ECU - BATTERY AND BODY GROUND) |
Disconnect the E50 ECU connector.
Measure the resistance and voltage of the wire harness side connector.
- Standard Resistance:
Tester Connection
| Specified Condition
|
E50-16 (GND) - Body ground
| Below 1 Ω
|
- Standard Voltage:
Tester Connection
| Specified Condition
|
E50-1 (+B) - Body ground
| 11 to 14 V
|
| REPAIR OR REPLACE HARNESS AND CONNECTOR |
|
|
OK |
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PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE |
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