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Home >> Infiniti >> 1994 >> Q45 a >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Diagnosis & Overhaul - Re4R01A, Re4R03A & RL4R01A >> Electronic Component & Circuit Tests >> Shift Lock System Testing >> Shift Lock Control Module (300ZX)
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Shift Lock Control Module (300ZX)

  1. Check voltage at specified terminals of 8-pin shift lock control module connector, attached to bracket on steering column. If voltage is not as specified, check appropriate component, connector or wiring harness and repair as necessary.
  2. With ignition switch in ON position, check voltage between shift lock control module terminals No. 1 and 9. When selector lever is in Park and brake pedal is applied, battery voltage should exist. Voltage should not exist under any other conditions. If voltage is not as specified, check shift lock solenoid.
  3. Check for voltage between shift lock control module terminalsNo. 2 and 9. Battery voltage should exist under all conditions. If voltage is not as specified, check 20-amp fuse in fuse block.
  4. Check for voltage between shift lock control module terminals No. 3 and 9. With brake pedal applied, battery voltage should exist. With brake pedal released, voltage should not exist. If voltage is not as specified, check stoplight switch.
  5. Check for voltage between shift lock control module terminalsNo. 5 and 9. When ignition key is inserted into key cylinder, selector lever is in Park and selector lever button is pushed, battery voltage should exist. When selector lever is set to any other position except Park, and selector lever button is not pushed, battery voltage should exist. Voltage should not exist under any other conditions. If voltage is not as specified, check detention switch.
  6. With ignition switch in ON position, check voltage between shift lock control module terminals No. 6 and 9. Battery voltage should exist at all times. If voltage is not as specified, check 10-amp fuse in fuse block.
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