Checking Ground Terminals: Verification

Fig 1: Identifying Ignition Off Position

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Fig 2: Disconnecting Control Unit

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• Ignition off.
• Module disconnected.
• Switch off all equipment that takes power from the battery (courtesy lighting, radio etc).

  For the control module, CD-ROM changer and TV receiver  , connect an ohmmeter between #11 on the breakout box and battery negative terminal.

  For the display  , connect an ohmmeter between #15 on the breakout box and battery negative terminal.

  Fig 3: Ohmmeter

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The ohmmeter should read 0 Ω. 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  See Fault-tracing information