9-3 Hatchback (9400) L4-2.0L Turbo (B205) (2000)
Engine Control Module: Testing and Inspection
Test Readings, Control Module Connections
Scope
The following pages contain readings and directions for measuring signals and levels on the Trionic control module.
Remember
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Note the test readings, use common sense when assessing the results of the tests.
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The specified values are with the ignition in the ON position unless otherwise stated.
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First, make sure the control module is supplied with power and grounded.
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Then, check all the sensor inputs and signals from other systems.
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Finally, check the control module outputs. Remember that the test readings do not indicate whether the actuator is working.
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If any of the test readings is incorrect, use the wiring diagram to determine which lead, connector or component should be checked further.
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The specified test values apply for a Fluke 88/97.
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The test readings % (+) and ms (+) signify the pulse ratio and pulse length of the signal respectively. A test instrument capable of measuring pulse