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 PCM 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 Chart:

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 Pinpoint Test direction.

- If all switches fail, see SML - Switch Monitor Lamp Test. SML - Switch Monitor Lamp