Checking Ground Points: Verification

Fig 1: Identifying Ignition OFF

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Fig 2: Disconnecting Control Unit

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• Ignition off.
• Control unit disconnected.
• Switch off all battery loadings such as courtesy lighting and radio.

  Connect an ohmmeter between the battery negative terminal and power seat module (PSM) ground wires on the test box (2A and 4B).

  Additional information 

  • For information on signals, see SIGNAL SPECIFICATION, POWER SEAT MODULE .
  Fig 3: Breakout Box

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  Fig 4: Identifying Ohmmeter

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Is the value OK? 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  Refer to INFORMATION