Operation CHARM
: Car repair manuals for everyone.
Home
>>
Pontiac
>>
1984
>>
T1000 L4-98 1.6L
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Computers and Control Systems
>>
Relays and Modules - Computers and Control Systems
>>
Engine Control Module
>>
Description and Operation
>>
Modes of Operation
>>
Altitude Compensation
Altitude Compensation
On "Minimum Function Systems" grounding ECM terminal 18 compensates for high altitude operation.