Diagnosis By Symptom
ForewordThoroughly read and understand the basic flow of troubleshooting in order to properly perform the procedures.
When performing an asterisked(*) troubleshooting inspection, shake the wiring harness and connectors while doing the inspection to discover the poor contact points which may be the cause of intermittent malfunctions. If there is a problem, check to make sure connectors, terminals and wiring harness are connected correctly and undamaged.
Troubleshooting Index
Use the chart below to verify the symptoms of the trouble in order to diagnose the appropriate area.
Symptom Troubleshooting
NOTE:
The following may be the cause of trouble if the symptom does not go away after the symptom troubleshooting steps are followed.
1. Simultaneous poor contact at terminals T and Q of SAS control module connector.
2. Simultaneous poor contact at terminals E and H of SAS control module connector.
3. Poor contacts in wiring harness between terminal T of SAS control module connector and ground, and between terminal Q and ground at the same time.
4. Poor contacts or short circuits in wiring harness between METER 10 A fuse and SAS control module, and between ENGINE 10 A fuse and SAS control module at the same time.