Checking Ground Terminals

Checking ground terminals
951 1373 Adaptor 951 1373 Adaptor 981 3190 Replaced by 9511428 981 3190 Replaced by 951 1428
Connecting the breakout box

Information

Connecting up the Test box

Is the test box connected to the control module?

Yes - Checking ground terminal

No - Connecting the breakout box

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Connecting the breakout box
Connect breakout box.

Continue - Checking ground terminal

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Checking ground terminal

- Ignition off.
- Control module disconnected.
- Switch off all equipment that takes power from the battery (courtesy lighting, radio etc).
Connect an ohmmeter between #3 on the breakout box and battery negative terminal.

The ohmmeter should read approximately 0 ohms.

OK - Return to the fault-tracing procedure where it was interrupted.

Not OK - Checking for an open-circuit, contact resistance and oxidation

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Checking for an open-circuit, contact resistance and oxidation

- Ignition off.
Check ground terminal 31/50 and the wiring connected to it for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault and contact resistance and oxidation according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.

Continue - Verification

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Verification

The ohmmeter should read approximately 0 ohms.

OK - Fault has been remedied

Not OK - Fault-tracing information

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Fault-tracing information

Information

The fault should be diagnosed and remedied. Since this is not the case the fault-tracing process has failed.
Complete the fault-tracing for those fault or try again.

Do you want to terminate fault-tracing at this time?

Yes - Exit fault-tracing

No - Attempt New Test

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