Home/Opel/Monterey/Opel Monterey A (1992-1999)/Repair manual/Immobiliser/F0:Data List - Test Step 12 Transm. Coding
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F0:Data List - Test Step 12 Transm. Coding Opel Monterey A

Immobiliser ~121 words

Immobiliser Monterey FO:DATA LIST

No.Tech 1 DisplayConditions for checkingNominal ValueTrouble CodesTerminal
12TRANSM. CODINGPetrol engines only:

Ignition "ON"

Vehicle with ATAT-08
Vehicle with MTMT
Diesel engines only:NOT USED

Petrol engines only:

Note:

The immobiliser determines whether a automatic transmision is installed from the information which is sent between the automatic gearbox control unit, the multec control unit and the immobiliser control unit.

TroubleshootingNominal ValueCause of Fault

· Ignition "OFF"

· Disconnect wiring harness plug from immobiliser control unit K117

· Disconnect wiring harness plug from automatic transmission control unit K85

· Measure resistance with multimeter

from: Immobiliser control unit K117, wiring harness plug ter. 8
to: Automatic transmission control unit K85, wiring harness plug ter. C8approx. 0 W· Line interrupted or short circuit to voltage

from: K117, wiring harness plug ter. 8

to: K185, wiring harness plug ter. C8

· Measure resistance with multimeter

from: Immobiliser control unit K117, wiring harness plug ter. 8

to: Ground
· Ignition "ON"> 2 kW· Short circuit to ground

from: K117, wiring harness plug ter. 8

to: K185, wiring harness plug ter. C8

If nominal values are attained:· Immobiliser control unit K117 defective

or

· Automatric transmission control unit K185 defective