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Diagnosis Procedure
1.CHECK FUSE
Check that the following fuse is not blown (open).
Signal nameFuse No.
Battery power supply26 (10 A)
Is the fuse blown (open)?
Replace the blown (open) fuse after repairing the affected circuit if a fuse is blown (open).
.
 
2.CHECK POWER SUPPLY CIRCUIT
  1. Turn the power supply mode of the electric motor switch to OFF.
  2. Disconnect hands free sensor control unit connector.
  3. Check voltage between hands free sensor control unit harness connector and ground.
    (+)(−)Voltage
    Hands free sensor control unit
    ConnectorTerminal
    B4522GroundBattery voltage
Is the measurement value normal?
.
Repair or replace harness.
 
3.CHECK GROUND CIRCUIT
Check continuity between hands free sensor control unit harness connector and ground.
Hands free sensor control unit—Continuity
ConnectorTerminal
B4523GroundExisted
Is the inspection result normal?
INSPECTION END
Repair or replace harness.