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Home >> Suzuki >> 2007 >> Grand Vitara Base, AWD, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission >> Diagnostic Information and Procedures >> DTC P0722: Output Speed Sensor Circuit No Signal >> DTC Troubleshooting
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DTC Troubleshooting

DTC TROUBLESHOOTING TABLE

Step Action YES NO
Was "A/T System Check" performed?  Go to Step 2. Go to A/T SYSTEM CHECK .
Check input shaft speed sensor circuit 
  1. Disconnect TCM connectors with ignition switch OFF.
  2. Check for proper connection to input shaft speed sensor at "E93-5" and "E93-14" terminals.
  3. If OK, check resistance of sensor circuit.

    Resistance of input shaft speed sensor circuit 

    Between terminals "E93-5" and "E93-14" of disconnected harness side TCM connector: 560 - 680 Ω at 20°C (68°F) Between terminals "E93-14" of disconnected harness side TCM connector and ground: No continuity 


Are check results satisfactory? 
Go to Step 4. Go to Step 3.
Inspection output shaft speed sensor 
Inspect input shaft speed sensor by referring to OUTPUT SHAFT SPEED SENSOR INSPECTION .
Is check result satisfactory? 
Output shaft speed sensor signal or ground circuit is malfunction. Go to Step 4.
Check visually Output shaft speed sensor and sensor rotor using mirror for following 
  • No damage
  • No foreign material attached
  • Correct installation
G04824807Courtesy of SUZUKI OF AMERICA CORP.

Are they in good condition? 
Intermittent trouble. Check for intermittent trouble by referring to INTERMITTENT AND POOR CONNECTION INSPECTION . Clean, repair or replace.