Diagnosis Procedure

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

   Drive mode select switch		A/C auto amp.		Continuity
   Connector	Terminal	Connector	Terminal
   M203	1	M66	23	Existed
   	2		24
   	3		25
   	4		26

4. Check continuity between drive mode select switch harness connector and ground.

   Drive mode select switch		Ground		Continuity
   Connector	Terminal
   M203	1			Not existed
   	2
   	3
   	4

Is the inspection result normal?

YES

GO TO 2

NO

Repair harness or connector

1. Connect the A/C auto amp. connector.
2. Check voltage between A/C auto amp. harness connector and ground.

   Terminals				Voltage (Approx.)
   (+)		(-)
   A/C auto amp.		Ground
   Connector	Terminal
   M66	23			12 V
   	24
   	25
   	26

Is the inspection result normal?

YES

GO TO 3

NO

Replace A/C auto amp.

1. Check continuity drive mode select switch harness connector and ground.

   Drive mode select switch		Ground		Continuity
   Connector	Terminal
   M203	6			Existed

Is the inspection result normal?

YES

Check drive mode select switch. Refer to Component Inspection .

NO

Repair harness or connector.