With Analog Voltmeter
NOTE: Test all switches individually. Leaving a switch ON while testing another will lead to a false test result.1. Turn engine OFF, and allow to cool.
2. Turn all accessories OFF.
3. Place transmission in Park (A/T) or Neutral (M/T).
4. Turn ignition key ON.
Diagnostic Connector (STO/STI):
5. Jumper STI of diagnostic connector to ground, connect analog voltmeter positive (+) lead to SML of diagnostic connector and negative (-) lead to engine ground.
Switch Monitor Test:
6. Exercise all switches listed in Switch Monitor Test Chart.
- If all switches check OK, see Component Verification Test. Component Verification Test
- If one or more switches fail, refer to Switch Monitor Test Chart for direction.
- If all switches fail, see SML - Switch Monitor Lamp Test. SML - Switch Monitor Lamp