Campaign - Rear Main Steering Angle Sensor Defect

Bulletin No.
92-037

Issue Date
OCT 30, 1992

Model
1992 PRELUDE

Applicable To
ALL WITH 4WS

File Under
STEERING

Product Update:
Four Wheel Steering Sensor

UPDATE DESCRIPTION

A product update campaign is being conducted to replace the rear main steering angle sensor.

BACKGROUND

Under certain road conditions, the main steering angle sensor in the rear steering actuator sends an incorrect signal to the 4WS control unit. This may cause the control unit to light the 4WS indicator on the instrument panel and turn the system off. With the system off, the rear wheels remain pointed straight ahead. The car then steers like a conventional car without 4WS.

CUSTOMER NOTIFICATION

Owners of affected vehicles will be contacted by mail and asked to take the car to a dealership for repair. The text of the customer letter is at the end of this service bulletin.

CORRECTIVE ACTION

Replace the rear main steerinq angle sensor with the new part listed under PARTS INFORMATION.

1. Raise the car on a hoist.

2. Remove the rear steering actuator cover.





3. Disconnect the rear main sensor's 8P connector.





4. Use a TORX(R) T40 wrench to remove the five rear main sensor and bracket mounting bolts. Separate the sensor from the actuator.

NOTE:
When removing the sensor, make sure you keep track of the dowel pins. Protect the interior of the actuator from dirt and other contaminants.

5. Install the new sensor with the new O-ring that comes in the kit.

6. Use the new bolts included in the kit to fasten the sensor to the actuator. Tighten the bolts to 10 N-m (1.0 kg-m, 7 lb.ft.).

7. Reconnect the electrical connector and install the actuator cover.

8. Lower the car. Verify operation of the 4WS system by turning the key to the ON position. The 4WS light should come on, then go out when you start the engine. Turn the steering wheel lock-to-lock and verify that the rear wheels turn.





9. Center-punch a completion mark over the first digit in the VIN in the engine compartment.

PARTS INFORMATION

Rear main steering angle sensor kit
(Sensor, 0-ring, bolts)
P/N 06390-SS0-305
H/C 4176954

WARRANTY CLAIM INFORMATION

Operation number:
514140

Flat rate time:
0.5 hour

Failed part:
P/N 06390-SS0-J70
H/C 3937471

Defect code:
648

Contention code:
J62

November 1992

Product Update:
Prelude 4WS Sensor

Dear Prelude Owner:

Honda Motor Co., Ltd. has determined that a problem may exist in the four-wheel steering system of the 1992 Prelude. Under certain road conditions, a sensor in the rear steering actuator may send an incorrect signal to the 4WS system's control unit. This may cause the control unit to light the 4WS indicator on the instrument panel and turn the system off. With the system off, the rear wheels remain pointed straight ahead. The car then steers like a conventional car without 4WS. Turning the ignition off after you stop driving resets the 4WS system and indicator.

An improved sensor is now available. Please call your dealer and make an appointment to have it installed. This update will be done free of charge.

We apologize for any inconvenience this product update may cause you; however, our main concern is your continued satisfaction with your Prelude.