Checking the Power Supply to the Control Module

Checking The Power Supply To The Control Module







- Ignition off.
- Stop (brake) lamp switch connected.
- Brake pedal unaffected.
- Disconnect the control module.
- Ignition on.

Connect a voltmeter between control module connector terminal 7 and ground.

The voltmeter should read approximately 0 V.

OK - Checking the Resistance In the Signal Cable

NOT OK - Checking For A Short-Circuit - I