Diagnosis Procedure
- CHECK FUSIBLE LINK
Check that the following fusible link is not blown (open).
Signal name
Fusible link No.
Battery power supply
L (40 A)
Is the fusible link blown (open)?
YES
Replace the blown (open) fusible link after repairing the affected circuit if a fusible link is blown (open).
NO
GO TO 2.
- CHECK POWER SUPPLY CIRCUIT
- Turn Ignition Switch OFF.
- Disconnect Driver Seat Control Unit connector.
- Check voltage between Driver Seat Control Unit harness connector and ground.
(+)
(-)
Voltage (V)
(Approx.)
Driver Seat Control Unit
Connector
Terminals
B513
1
Ground
Battery voltage
Is the inspection result normal?
YES
GO TO 3.
NO
Repair or replace harness.
- CHECK GROUND CIRCUIT
Check continuity between the Driver Seat Control Unit harness connector and ground.
Driver Seat Control Unit
Ground
Continuity
Connector
Terminal
B513
2
Existed
Is the inspection result normal?
YES
INSPECTION END
NO
Repair or replace harness.