Diesel Data
: Automotive Repair
Home
>>
Geo
>>
1994
>>
Prizm L4-1.8L DOHC
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Computers and Control Systems
>>
Cranking Signal
>>
Description and Operation
Cranking Signal: Description and Operation
This signal is sent from the engine starter circuit. Receiving it, the
PCM
detects that the engine is cranking and uses it as one of the signals to control the fuel injectors and
fuel pump relay
.