Diagnosis Procedure

1. Turn ignition switch OFF.
2. Disconnect blower relay.
3. Check voltage between blower relay harness connector and ground.

   (+)	(-)	Condition		Voltage (V) (Approx.)
   Blower relay
   Terminal
   1	Ground	Ignition switch	OFF or ACC	0
   			ON	Battery voltage

   Is the inspection result normal? 

   YES: GO TO  3.

   NO: GO TO 2.

1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between blower relay harness connector and BCM harness connector.

   Blower relay	BCM		Continuity
   Terminal	Connector	Terminal
   1	M122	102	Existed

4. Check continuity between blower relay harness connector and ground.

   Blower relay	Ground	Continuity
   Terminal
   1		Not existed

   Is the inspection result normal? 

   YES: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".

   NO: Repair or replace harness or connector.

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

   Blower relay	Ground	Continuity
   Terminal
   2		Existed

   Is the inspection result normal? 

   YES: GO TO 4.

   NO: Repair blower relay ground circuit.

Refer to "COMPONENT INSPECTION ".

Is the inspection result normal? 

YES: GO TO 5.

NO: Replace blower relay.

Refer to "INTERMITTENT INCIDENT ".

INSPECTION END