Test readings, control module connections: Remember:
- Note the test condition, and use common sense when assessing the test result.
- The specified test readings are with the ignition ON, unless otherwise stated.
- Check these points:
- First check that the control module is supplied with current and is grounded.
- Then check all sensor inputs and signals from other systems.
- Finally, check the control module outputs. Remember that the test readings do not indicate whether the actuator is working.
- If any reading is not OK, consult the wiring diagram to trace the leads, connectors or components which should be checked more thoroughly.
- The test readings given apply to a calibrated Fluke 88/97.
- The test readings show the signal pulse condition or pulse length. A test instrument with pulse rate or width measurement must be used.