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Home >> Suzuki >> 2010 >> Grand Vitara Base, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle - 4AT >> Diagnostic Information and Procedures >> DTC P0707: Transmission Range Sensor Circuit Low >> DTC Troubleshooting
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DTC Troubleshooting

DTC TROUBLESHOOTING CHART

Step Action YES NO
1  Was "A/T System Check" performed?  Go to Step 2. Go to A/T SYSTEM CHECK .
2  Do you have SUZUKI scan tool?  Go to Step 3. Go to Step 4.
3  Check transmission range sensor circuit for operation 
Check by using SUZUKI scan tool:
  1. Connect SUZUKI scan tool to DLC with ignition switch OFF.
  2. Turn ignition switch ON and check transmission range sensor signal ("P", "R", "N", "D", "2" or "L") on display when shifting select lever to each range.

Is applicable range indicated? 		 Intermittent trouble. Check for intermittent trouble referring to INTERMITTENT AND POOR CONNECTION INSPECTION . Go to Step 5.
4  Check transmission range sensor circuit for operation 
Check without using SUZUKI scan tool:
  1. Turn ignition switch ON.
  2. Check voltage at terminals "E93-1", "E93-7", "E93-8", "E93-18", "E93-19" and "E93-20" respectively with select lever shifted to each range.

Taking terminal "E93-1" as an example, is battery voltage will be indicated only when shift lever is shifted to "R" range and 0 V for other ranges as shown in table. Check voltage at other terminals likewise, referring to table.
Are check results satisfactory? 		 Intermittent trouble. Check for intermittent trouble referring to INTERMITTENT AND POOR CONNECTION INSPECTION . Go to Step 5.
5  Check transmission range sensor for installation position 
  1. Check transmission range sensor for installation position referring to TRANSMISSION RANGE SENSOR INSPECTION AND ADJUSTMENT .

Is it adjusted correctly? 		 Go to Step 6. Adjust transmission range sensor and recheck.
6  Check select cable for adjustment 
  1. Check select cable for adjustment referring to SELECT CABLE ADJUSTMENT .

Is it adjusted correctly? 		 Go to Step 7. Adjust select cable and recheck.
7  Check transmission range sensor 
  1. Check transmission range sensor referring to TRANSMISSION RANGE SENSOR INSPECTION AND ADJUSTMENT .

Are check results satisfactory? 		 Transmission range sensor circuit open or shorted to ground. If wires and connections are OK, substitute a known-good TCM and recheck. Replace transmission range sensor.
TERMINAL VOLTAGE REFERENCE

  Terminal
E93-20 E93-1 E93-8 E93-7 E93-19 E93-18
Select lever position P 8 - 14 V 0 V 0 V 0 V 0 V 0 V
R 0 V 8 - 14 V 0 V 0 V 0 V 0 V
N 0 V 0 V 8 - 14 V 0 V 0 V 0 V
D or 3 0 V 0 V 0 V 8 - 14 V 0 V 0 V
2 0 V 0 V 0 V 0 V 8 - 14 V 0 V
L 0 V 0 V 0 V 0 V 0 V 8 - 14 V
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