vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

Coolant Temperature Sensor > < Immobiliser Control Unit, Remove and Install

Field Remedy: 1253

Subject: Battery - Discharged
Models: Engines: Option:
Astra-G 98...99,5 X12XE without A/C
Complaint: The battery was discharged / flat due to uncontrolled operation of the radiator cooling fan after extended parking periods(> 1hour) with ambient temperatures of < 0° C and cars without A/C.
Cause: At temperatures < 0° C the engine Electronic Control Unit (ECU) may in some cases trigger of the radiator cooling fan, this way causing the fan to run until the battery is discharged.
Production: (ECU) with a manufacturing date before 12/97 and from 11/98 on are ok.

Remedy:

In case of complaint as discribed above, identify the ECU.

Procedure:
Relevant information for identification of the manufacturing date (1)
and the Change number (2) are shown on the type plate of the engine
Electronic Control Unit (see drawing).
ECU with a manufacturing date before 772xxx and from 871xxx (11/98)
on are OK.

In case the manufacturing date lies in the range shown above, the 
Electronic Control Units (ECU) has to replaced, see procedure - 
"Electronic Control Units, remove and install" of unit "J" in the 
Service-Instructions for Astra-G.

Parts:                             Catalog No.:      Part No.:
Electronic Control Units (ECU)     62 37 765         9131795

Labour Times:                               TC:      Hours:

Astra-G: T8 125 30    Replace  ECU.         90       0,6

The regular warranty procedure will apply.

FunctionalGroup: J - Engine
Complaint Group: 04 - Electrical failures,13 - No/Poor Function
Trouble Code: Non

Coolant Temperature Sensor > < Immobiliser Control Unit, Remove and Install