A/C Relay Failure - Insufficient Cooling

Bulletin No.: 007/95
Issued: 5/17/95
Revised

Category
U

Applicable Model/s
1993-95
626 / MX-6

Subject
INSUFFICIENT COOLING - A/C RELAY FAILURE

APPLICABLE MODELS/VINS

All 1993-94 626 / MX-6 vehicles
1995 626 / MX-6 vehicles with a VIN range of 1YVGE****S5389895 and lower.

DESCRIPTION

Insufficient cooling (warm air) that occurs during A/C operation may be caused by A/C relay failure. Described below (by engine type) are additional symptoms of this concern.

4 Cylinder Engine:

^ No Power to A/C Compressor Clutch Coil

^ Short at 40amp A/C Fuse

6 Cylinder Engine:

^ Continuous A/C Compressor Operation

The A/C relay is redesigned to prevent this problem. If a customer complains of this concern inspect the vehicle according to this bulletin and repair if necessary.
NOTE:
Procedures in the 1993 and 1994 BETM are incorrect. Revised instructions will follow. The 1995 BETM contains correct instructions.

DIAGNOSTIC and REPAIR PROCEDURE

1. Verify complaint.








2. Remove the A/C relay and check for continuity according to Fig. 1 and 2.

NOTE:
A/C Relay is located inside the engine compartment.

^ The circuit between terminals "C" and "E" contains a diode (D3). Check for continuity from "C" to "E" and no continuity from "E" to "C".

3. Inspect the 40amp fuse in the main fuse block. Replace if necessary.

4. Verify the repair.

See Parts and Warranty Information.





WARRANTY INFORMATION

(Applies To Verified Customer Complaints On Vehicles Covered Under Normal Warranty. Refer To The SRT Microfiche For Warranty Term Information.)

Warranty Type: A
Symptom Code: 60
Damage Code: 9W
Part Number Main Cause: B458 67 740A
Quantity: 1
Operation Number: U0601XRX
Labor Hours: 0.3 Hrs.