Diagnosis Procedure

1. Turn ignition switch OFF.
2. Check 10A fuse [No. 30, located in fuse block (J/B)].
   NOTE: Refer to appropriate wiring information .

Is the inspection result normal?

YES

GO TO 2.

NO

Replace the blown fuse after repairing the affected circuit.

1. Disconnect ionizer connector.
2. Turn ignition switch ON.
3. Check voltage between ionizer harness connector and ground.

   +		-	Voltage (Approx.)
   Ionizer
   Connector	Terminal
   M119	1	Ground	Battery voltage

Is the inspection result normal?

YES

GO TO 3.

NO

Repair harness or connector between ionizer and fuse block (J/B).

1. Turn ignition switch OFF.
2. Check continuity between ionizer harness connector and ground.

   Ionizer		--	Continuity
   Connector	Terminal
   M119	3	Ground	Yes

Is the inspection result normal?

YES

GO TO 4.

NO

Repair harness or connector.

1. Connect ionizer connector.
2. Disconnect A/C auto amp. connector.
3. Turn ignition switch ON.
4. Check voltage between A/C auto amp. harness connector and ground.

   +		-	Voltage (Approx.)
   A/C auto amp.
   Connector	Terminal
   M50	38	Ground	Battery voltage

Is the inspection result normal?

YES

Replace A/C auto amp. Refer to Removal and Installation .

NO

GO TO 5.

1. Turn ignition switch OFF.
2. Disconnect ionizer connector.
3. Check continuity between A/C auto amp. harness connector and ionizer harness connector.

   A/C auto amp.		Ionizer		Continuity
   Connector	Terminal	Connector	Terminal
   M50	38	M119	4	Yes

Is the inspection result normal?

YES

GO TO 6.

NO

Repair harness or connector.

Check continuity between A/C auto amp. harness connector and ground.

Is the inspection result normal?

YES

Replace ionizer. Refer to Removal and Installation .

NO

Repair harness or connector.