Checking signal cable, continuously in R/D/3/L

Fig 1: Identifying Ignition On Position

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• Breakout box connected.
• Ignition on.
  Fig 2: Identifying Voltmeter

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  • Connect a voltmeter between #29 (#A29) and #44 (#A14) on the breakout box.
  Fig 3: Identifying Breakout Box Terminals

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The value should be 7-9 V. 

• OK 

  Refer to Fault-tracing information 

• LOW 

  Refer to Checking for a short-circuit to ground