DTC Diagnosis Procedure
- CHECK INPUT SPEED SENSOR POWER CIRCUIT
- Turn ignition switch OFF.
- Disconnect input speed sensor connector.
- Turn ignition switch ON.
- Check voltage between input speed sensor harness connector terminal and ground.
+
-
Voltage
Input speed sensor
Connector
Terminal
F86
3
Ground
10 - 16 V
Is the inspection result normal?
YES
GO TO 2.
NO
GO TO 6.
- CHECK INPUT SPEED SENSOR GROUND CIRCUIT
Check continuity between input speed sensor harness connector terminal and ground.
Input speed sensor
--
Continuity
Connector
Terminal
F86
1
Ground
Existed
Is the inspection result normal?
YES
GO TO 3.
NO
Repair or replace malfunctioning parts.
- CHECK CIRCUIT BETWEEN INPUT SPEED SENSOR AND TCM (PART 1)
- Turn ignition switch OFF.
- Disconnect TCM connector.
- Check continuity between input speed sensor harness connector terminal and TCM harness connector terminal.
Input speed sensor
TCM
Continuity
Connector
Terminal
Connector
Terminal
F86
2
F16
24
Existed
Is the inspection result normal?
YES
GO TO 4.
NO
Repair or replace malfunctioning parts.
- CHECK CIRCUIT BETWEEN INPUT SPEED SENSOR AND TCM (PART 2)
Check continuity between input speed sensor harness connector terminal and ground.
Input speed sensor
--
Continuity
Connector
Terminal
F86
2
Ground
Not existed
Is the inspection result normal?
YES
GO TO 5.
NO
Repair or replace malfunctioning parts.
- CHECK TCM INPUT SIGNALS
- Connect all of disconnected connectors.
- Lift the vehicle.
- Start the engine.
- Check frequency of input speed sensor.
+
-
Condition
Frequency
(Approx.)
TCM
Connector
Terminal
F16
24
Ground
- Shift position: "L" position
- Vehicle speed: 20 km/h (12 MPH)
880 Hz
Is the inspection result normal?
YES
INSPECTION END
NO
Replace input speed sensor. Refer to INPUT SPEED SENSOR : Removal & Installation .
- CHECK CIRCUIT BETWEEN IPDM E/R AND INPUT SPEED SENSOR
- Disconnect IPDM E/R connector.
- Check continuity between IPDM E/R harness connector terminal and input speed sensor harness connector terminal.
IPDM E/R
Input speed sensor
Continuity
Connector
Terminal
Connector
Terminal
F10
70
F86
3
Existed
Is the check result normal?
YES
GO TO 7.
NO
Repair or replace malfunctioning parts.
- DETECT MALFUNCTIONING ITEMS
Check the following items:
- Harness open circuit or short circuit between ignition switch and IPDM E/R. Refer to Wiring Diagram .
- 10A fuse (No. 46, located in the IPDM E/R). Refer to Wiring Diagram .
- IPDM E/R
Is the check result normal?
YES
INSPECTION END
NO
Repair or replace malfunctioning parts.