Checking the Ground Terminal, Central Electronic Module (CEM)
Checking the ground terminal
Connecting the breakout box
Connect the breakout box. See Connecting the breakout box Connecting the Breakout Box, Central Electronic Module (CEM).
Continue - Checking the ground terminal
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Checking the 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 terminal #B21 on the breakout box and the battery negative terminal.
ohms
The ohmmeter should read approximately 0.
OK - No Fault Found
Not OK - contact resistance and oxidation
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Checking for open-circuits, contact resistance and oxidation
Check ground terminal 31/6 (LHD)/ 31/10 (RHD) and the wiring connected to it. Check for an open-circuit. Check for contact resistance and oxidation.
Other information
- Checking wiring and terminals Checking Wiring And Terminals
Select Continue when the fault has been remedied.
Continue - Verification
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Verification
- Ignition off
- Control module disconnected.
- Switch off all equipment that takes power from the battery (courtesy lighting, radio etc).
Connect an ohmmeter between terminal #E1 on the breakout box and the battery negative terminal.
ohms
The ohmmeter should read 0.
Yes - FAULT FOUND
No - Fault-tracing information
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Fault-tracing 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 - Exit fault-tracing
No - Attempt New Test
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Attempt New Test - Connecting the breakout box
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