Notes

CAUTION:
^ Do not make jumper connections except as directed. Improper connections may damage the voltage regulator test terminals.
^ Do not allow any metal object to come in contact with the generator housing and internal diode cooling fins.

NOTE:
^ While performing any pinpoint test, disregard any DTC's set while following any specific pinpoint test. After the completion of any test, be sure to clear all codes in the PCM.
^ Dual generator I circuit/bulb circuit 4-way connector MUST be connected before disconnecting or connecting the battery. The PCM relearns its parameters every time it is disconnected and connected to power. Failure to follow this procedure will "fool" the PCM into misinterpreting the charging system as a single generator system, causing loss of DTC capability and control.
^ All voltage measurements are referenced to negative (-) battery post unless otherwise specified.
^ When the battery has been disconnected and reconnected, some abnormal drive symptoms may occur while the powertrain control module relearns its fuel trim. The vehicle may need to be driven 16 km (10 miles) or more to relearn the strategy.