Connecting the Breakout Box

Checking ground points
951 1373 Adaptor 951 1373 Adaptor 951 1428 Breakout box 951 1428 Breakout Box
Connecting the test box




Information

Connecting the test box





Is the test box connected to the control unit?

Yes - CONNECTEDReturn to trouble-shooting.

No - NOT CONNECTED

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CONNECTED - No Fault Found

NOT CONNECTED - Connecting the test box

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Connecting the test box
Connect test box.






Continue - Checking ground point

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Checking ground point








- Ignition off.
- Control unit disconnected.
- Switch off all battery loads such as entrance lights and radio.
Connect an ohmmeter between the battery negative terminal and #3 on the test box.









The ohmmeter should display approximately 0(.

OK - Return to trouble-shooting if there is an open circuit.
No Fault Found

Not OK - contact resistance and oxidation

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Checking for open circuits, contact resistance and oxidation
Check the heater's ground point and wires connected to it for an open circuit as described in Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault , and for contact resistance and oxidation as described in Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.





Select Continue when the fault has been rectified.

Continue - Verification

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Verification




Verification

Verification








- Ignition off.
- Control unit disconnected.
- Switch off all parts fed by the battery such as courtesy lights and radio.
Connect an ohmmeter between the battery negative terminal and #3 on the test box.









The ohmmeter should display approximately 0(.

OK - VERIFIED

Not OK - VERIFICATION FAILEDPAPER

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VERIFIED - Fault Found

VERIFICATION FAILED - Trouble-shooting information

PAPER - No Fault Found

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Trouble-shooting information




Information

Fault-tracing 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 - FAULT-TRACING FAILED

No - Attempt New Test

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FAULT-TRACING FAILED - FAULT-TRACING FAILED

Attempt New Test - Connecting the test box

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