ECC Module - Interference Prevention: Overview
DATE: Feb. -95SECTION: 8
GROUP: 87
NO: 817
Prevention of interference in the ECC controls program 800 series M/Y 1993-94
REFERENCE: TP 31861/2, SECTION 8 (87), CLIMATE CONTROL, 850 1992-
PREVENTION OF INTERFERENCE IN ECC CONTROL MODULE'S CONTROL PROGRAM
This Service Bulletin describes the method for preventing external electrical interference affecting the control module's control programs.
Suppressed control modules with Celsius graduation have P/N 9134769-0 and Fahrenheit versions have P/N 9134770-8. The control modules have been introduced in production with effect from chassis numbers given below;
CAR TYPE FACTORY CODE CHASSIS NO.
854 2 168630
854 1 170793
855 2 072494
Note!
Suppressed control modules will not solve control problems indicated by type 1 faults. Use the materials kit below instead.
The materials kit (PN 913486-54) prevents external electrical interference affecting the control module's control programs. The materials kit contains cable harness and the installation components required.
References to Service Manuals are indicated with a and refer to: Service Manual Section 8 (87) Climate Control 850 1992- other references relate to this service bulletin.
WARRANTY STATEMENT:
Claims may be submitted under the New Car Limited Warranty when a manufacturing defect is present using claim type: 01
Operation No.: 87917-2
Labor description: ECC, controls stick at MAX, action
Time allowance: 0.4 hr