The PCM switches the ground in the control circuit of the starter relay, which
then connects power through to the starter solenoid. As soon as the speed
of the engine has reached 750 rpm or the maximum permitted start time of
30 seconds has been exceeded, the PCM switches off the starter relay and
therefore the starter motor. This protects the starter. If the engine does not turn
or turns only slowly, the starting process is aborted by the PCM.
6.2.3 Starter circuit testing
The process of checking a 12 V starting system operation is as follows (tests
3 to 8 are all carried out while trying to crank the engine).
1.Battery (at least ...
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