Cabin Air Filter / Purifier: Testing and Inspection

IONIZER





Component Function Check
1.CHECK IONIZER OPERATION SOUND
1. Turn ignition switch ON.
2. Check ionizer operation sound (whirring sound) in duct by putting an ear to the side ventilator grille (driver side) outlet while pressing fan switch and OFF switch alternately.
Is the inspection result normal?
YES - INSPECTION END
NO - SEE Diagnosis Procedure.




Diagnosis Procedure
1.CHECK IONIZER POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect ionizer connector.
3. Turn ignition switch ON.
4. Check voltage between ionizer harness connector and ground.





Is the inspection result normal?
YES - GO TO 5.
NO - GO TO 2.
2.CHECK FUSE
1. Turn ignition switch OFF.
2. Check 10 A fuse [No.3, located in fuse block (J/B)].

NOTE:
Fuse Block - Junction Box (J/B).
Is the inspection result normal?
YES - GO TO 3.
NO - Replace the fuse after repairing the applicable circuit.
3.CHECK IONIZER POWER SUPPLY CIRCUIT FOR OPEN
1. Disconnect fuse block (J/B) connector.
2. Check continuity between ionizer harness connector and fuse block (J/B) harness connector.





Is the inspection result normal?
YES - GO TO 4.
NO - Repair harness or connector.
4.CHECK IONIZER POWER SUPPLY CIRCUIT FOR SHORT
1. Disconnect A/C auto amp. connector, compressor connector and inside odor detecting sensor connector.
2. Check continuity between ionizer harness connector and ground.





Is the inspection result normal?
YES - Check ignition power supply circuit. Ignition Power Supply.
NO - Repair harness or connector.
5.CHECK IONIZER GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between ionizer harness connector and ground.





Is the inspection result normal?
YES - GO TO 6.
NO - Repair harness or connector.
6.CHECK IONIZER (ON/OFF) CONTROL SIGNAL
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.





Is the inspection result normal?
YES - GO TO 10.
NO - GO TO 7.
7.CHECK IONIZER (ON/OFF) CONTROL SIGNAL CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect ionizer connector.
3. Check continuity between A/C auto amp. harness connector and ionizer harness connector.





Is the inspection result normal?
YES - GO TO 8.
NO - Repair harness or connector.
8.CHECK IONIZER (ON/OFF) CONTROL SIGNAL CIRCUIT FOR SHORT
Check continuity between A/C auto amp. harness connector and ground.





Is the inspection result normal?
YES - GO TO 9.
NO - Repair harness or connector.
9.REPLACE IONIZER
Replace ionizer. Ionizer Removal And Installation.
Is the inspection result normal?
YES - INSPECTION END
NO - GO TO 10.
10.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
Is the inspection result normal?
YES - Replace A/C auto amp. Removal And Installation.
NO - Repair or replace malfunctioning parts.