TROUBLE SHOOTING
Note. Individual component testing procedures are not available from manufacturer. To identify model specific components within shift interlock system, component location and wire colors, see appropriate wiring diagram in WIRING DIAGRAMS . For connector terminal identification, see appropriate connector in CONNECTOR VIEWS .
PRELIMINARY INSPECTION
Diagnosis of shift interlock system should begin with a general visual inspection. Each model is similar in function, but may be equipped with a variety of components depending upon application. Before beginning any diagnosis, refer to appropriate wiring diagram to become familiar with the system and for use as a guide to pinpoint areas of concern. See WIRING DIAGRAMS .
SYMPTOM TESTS
| CAUTION | Use caution when probing fuse or junction blocks, or any connectors. Damage may result to connector receptacle if probe or terminal being used is too large. Electronic modules are sensitive to static electrical charges. If exposed to these charges, damage may result. |
Note. On some vehicles, Park/Neutral Position (PNP) switch is referred to as Transmission Range (TR) switch and Brake Transmission Shift Interlock (BTSI) solenoid is referred to as brakelight switch or stoplamp switch.