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DTC P0716: Input Speed Sensor (ISS) Circuit Range/Performance: Troubleshooting

TROUBLESHOOTING REFERENCE CHART

Step Action Value(s) Yes No
1 Perform an On-Board Diagnostic (OBD II) System Check.
Is the check completed?		 - Go to Step 2 Go to ON-BOARD DIAGNOSTIC (OBD II) SYSTEM CHECK
2
  1. Install the scan tool.
  2. Turn the ignition ON and record then clear DTC(s).
  3. Turn the ignition OFF, then turn the ignition ON.
  4. Observe the input speed on the scan tool.

Is the speed within the values shown?		 Input speed: 0 - 7,000 RPM Go to DIAGNOSTIC AIDS Go to Step 3
3
  1. Turn the ignition OFF.
  2. Disconnect the transaxle wiring connector.
  3. Measure the resistance between terminals 15 and 16 of the transaxle wiring connector.

Is the resistance within the values shown?		 830 ± 5 Ω Go to Step 9 Go to Step 4
4
  1. Remove the oil pan.
  2. Disconnect the input speed sensor wiring connector.
  3. Measure the resistance between terminal 1 of the input speed sensor wiring connector and terminal 15 of the transaxle wiring connector.
  4. Measure the resistance between terminal 2 of the input speed sensor wiring connector and terminal 16 of the transaxle wiring connector.

Is the resistance within the values shown?		 0 Ω Go to Step 6 Go to Step 5
5 Repair the malfunctioning terminals as necessary.
Is the action complete?		 - System OK -
6
  1. Turn the ignition ON.
  2. Measure the voltage of terminal 1.
  3. Measure the voltage of terminal 2.

Is the voltage within the values shown?		 11 - 14 V Go to Step 7 Go to Step 8
7 Repair the short to battery power.
Is the action complete?		 - System OK -
8 Replace the input speed sensor.
Is the action complete?		 - System OK -
9
  1. Disconnect the transaxle wiring connector and TCM connector.
  2. Measure the resistance between terminal 15 of the transaxle wiring connector and terminal B4 of the TCM wiring connector.
  3. Measure the resistance between terminal 16 of the transaxle wiring connector and terminal B2 of the TCM wiring connector.

Is the resistance within the values shown?		 0 Ω Go to Step 11 Go to Step 10
10 Repair the malfunctioning terminals as necessary.
Is the action complete?		 - System OK -
11
  1. Turn the ignition ON.
  2. Measure the voltage of terminal 15.
  3. Measure the voltage of terminal 16.

Is the voltage within the values shown?		 11 - 14 V Go to Step 12 Go to Step 13
12 Repair the malfunctioning terminals as necessary.
Is the action complete?		 - System OK -
13 Replace the TCM.
Is the action complete?		 - Go to Step 14 -
14
  1. After the repair, use a scan tool "clear info" function and road test the vehicle.
  2. Review the "DTC info".

Has the last test failed or is the current DTC displayed?		 - Begin diagnosis again Repair verified exit DTC chart
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