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Diagnosis Procedure
1.CHECK FUSE
Check that the following fuse is not blown (open).
Power sourceFuse No.Capacity
ACC power supply#4010 A
Is the fuse blown (open)?
Be sure to eliminate cause of malfunction before installing new fuse.
.
 
2.CHECK MULTI-AROUND MONITOR CONTROL UNIT POWER SUPPLY CIRCUIT
  1. Turn ignition switch ON.
  2. Check voltage between multi-around monitor control unit harness connector and ground.
    (+)(–)StandardReference voltage
    (Approx.)
    Multi-around monitor control unit
    ConnectorTerminal
    B7517Ground9.5 - 16 VBattery voltage
Is the inspection result normal?
Repair the multi-around monitor control unit power supply circuit.
 
3.CHECK MULTI-AROUND MONITOR CONTROL UNIT GROUND CIRCUIT
  1. Turn ignition switch OFF.
  2. Disconnect multi-around monitor control unit connector.
  3. Check for continuity between multi-around monitor control unit harness connector and ground.
    Multi-around monitor control unitGroundContinuity
    ConnectorTerminal
    B7516Existed
Is the inspection result normal?
INSPECTION END
Repair the multi-around monitor control unit ground circuit.