3.
Monitor "Alternator duty cycle, PWM signal" parameter on GDS.
Connect GDS to Data Link Connector(DLC).
Engine start.
Monitor "Alternator duty cycle, PWM signal" parameter on GDS.
Are the parameters displayed correctly ?
 | ▶ Fault is intermittent caused by poor contact in the sensor’s and/or ECM’s connector or was repaired and ECM memory was not cleared. Thoroughly check connectors for looseness, poor connec |
 | ▶ Go to "Terminal & Connector Inspection" procedure |
