pontiac Workshop Repair Guides

Pontiac Workshop Service and Repair Manuals

ABOUT US
A/T - Improperly Molded Solenoid, Erratic Shifts|Page 3614 > < A/T - Improperly Molded Solenoid, Erratic Shifts|Page 3612

Grand Prix V6-204 3.4L DOHC (1992)

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Chart C-8B, Transaxle Mode Switch Diagnosis (4 Of 4)

CIRCUIT DESCRIPTION

The PCM controls automatic transmission shift points by the use of solenoids inside the transaxle. The solenoids get power when the ignition is "ON",
and become energized when the PCM completes the circuit to ground.

OPERATION

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