Operation CHARM: Car repair manuals for everyone.
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Checking the Resistance In the Cable




Checking The Resistance In The Cable







- Ignition off.
- Disconnect the control module.
- Vacuum pump removed.

Connect an ohmmeter between vacuum pump connector terminal 2 and control module connector terminal 9.

The ohmmeter should read approximately 0 [ohm].

Ok - Checking the Vacuum Pump

Not Ok - Checking For an Open-Circuit