Diagnostic Aids

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

The drive motor generator battery control module will set contactor status to OPEN when the percent duty cycle is 65-75 percent.
The drive motor generator battery control module will set contactor status to CLOSED when the percent duty cycle is 25-35 percent.
The frequency of the PWM signal must be between 240 Hz to 260 Hz to be valid.