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Home >> Suzuki >> 2009 >> XL7 Premium, AWD >> Repair and Diagnosis >> Transmission >> Automatic Transmission >> Diagnostic Information and Procedures >> DTC P0722 or P0723: Output Speed Sensor (OSS) >> Circuit/System Testing
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Circuit/System Testing

  1. Ignition OFF, remove the control valve body cover. Refer to CONTROL VALVE BODY COVER REPLACEMENT .
  2. Connect the TCM harness connector.
  3. Disconnect the output speed sensor (OSS) harness connector from the control solenoid (w/body and TCM) valve assembly.
  4. Connect the J 38522 between the supply voltage terminal B and ISS signal terminal C at the control solenoid (w/body and TCM) valve assembly. Refer to CONTROL SOLENOID VALVE AND TRANSMISSION CONTROL MODULE ASSEMBLY INPUT SHAFT SPEED/OUTPUT SHAFT SPEED INPUT TEST  for further instructions.
  5. Set the J 38522 signal to 8 volts, the frequency to 120 and the percent duty cycle to 50.
  6. Ignition ON, observe the scan tool Transmission OSS parameter. The scan tool Transmission OSS parameter should be between 100-400 RPM.
    • If not within the specified range, replace the control solenoid (w/body and TCM) valve assembly.
  7. If all circuits test normal, test or replace the output speed sensor.
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