PCM - MIL ON/DTC 65 Set
NO: 18-15-94GROUP: Vehicle Performance
DATE: Aug. 12, 1994
SUBJECT:
Check Engine Light On, Code 65, Power Steering Switch Failure
MODELS:
1995 (PL) Neon
NOTE:
THIS SERVICE BULLETIN APPLIES TO VEHICLES BUILT PRIOR TO May 26, 1994 (MDH 05-26-XX) AND NOT EQUIPPED WITH POWER STEERING
SYMPTOM/CONDITION:
The "Check Engine" light illuminates with Diagnostic Trouble Code "Power Steering Switch Failure" set (Flash Code # 65).
DIAGNOSIS:
Using the Mopar Diagnostic System (MDS) or the Scan Tool (DRB III) with appropriate diagnostic procedure manual, verify that all systems are functioning as designed. If Diagnostic Trouble Codes (DTC's) other than "Power Steering Switch Failure" (Flash Code # 65) are present, record them on the repair order for future reference, and repair as necessary. If no other codes are present, the vehicle is not equipped with power steering, and all systems are functioning correctly, proceed with the following repair.
PARTS REQUIRED:
1 4796589 Wiring Assembly - Power Steering Switch Repair
(Use with manual transmission equipped vehicles without heated rear window)
1 4793069 Wiring Assembly - Power Steering Switch Repair
(All automatic transmission or those manual transmission equipped vehicles with heated rear window)
REPAIR PROCEDURE:
This bulletin involves modifying a wiring circuit for the PCM by grounding PCM cavity # 56 to prevent it from setting a power steering fault.
MANUAL TRANSMISSION EQUIPPED VEHICLES WITHOUT HEATED REAR WINDOW.
1. Turn the ignition key to the off position. Disconnect the negative battery cable.
2. Following the procedure outlined in the Service Manual remove the Powertrain Control Module (PCM).
3. Locate and remove the wire dress shield and red terminal locking wedges from the 60-way connector.
4. Locate cavity 56 in the 60-way rear seal retainer (cover). Lightly center punch a dimple in the round recess in the plastic.
5. Carefully drill through the cover with a # 27 or 9/64" drill. (Apply tape to the drill bit 0.1" above the tip as a drill stop).
CAUTION:
DRILLING TOO DEEP WILL DAMAGE THE SEAL AND TERMINAL LOCKING FINGER. DEPTH OF PLASTIC TO BE REMOVED IS 1/32" AT THE EDGE
6. Using a paper clip or similar device, push the plastic plug out through the terminal cavity.
7. Install the female terminal of wiring assembly P/N 4796589 into the cavity. (Make sure the terminal is fully locked)
8. Route the new wire along with the existing wires. Spot-tape the new wire to the harness to within one inch of the 60-way connector.
9. Install the locking wedges and wire dress shield.
10. Install the PCM with the eyelet of wiring assembly P/N 4796589 under the lower rear screw. Tighten the mounting screws to 40 to 50 in.lbs. Do not exceed 50 in.lbs.
11. Connect the battery negative cable.
AUTOMATIC TRANSMISSION EQUIPPED VEHICLES AND MANUAL TRANSMISSION VEHICLES WITH HEATED REAR WINDOWS.
1. Turn the ignition key to the off position. Disconnect the negative battery cable.
2. Plug wiring jumper P/N 4793069 into the power steering switch connector (C109 in the wiring diagrams). The switch connector is located at the end of the wiring take-out -- taped to the main wiring harness six inches forward of the main engine compartment wiring grommet.
3. Connect the battery negative cable.
ALL VEHICLES SERVICED UNDER THIS BULLETIN:
To check the repair, use the DRB III to check the power steering switch state. It should show the switch closed (pressure low) condition.
POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation No: 08-80-72-90 Manual Transmission Equipped,
W/0 Heated Rear Window 0.6 Hrs.
08-80-72-91 Automatic & Manual Transmission
Equipped With Heated Rear Window 0.2 Hrs.
FAILURE CODE: XX - Service Adjustment