P0715

P0715 INPUT SPEED SENSOR A





Description
- Primary speed sensor is installed to the front side of transaxle case.
- Primary speed sensor detects primary pulley speed.
- Primary speed sensor converts primary pulley speed to pulse signal and transmits the signal to TCM.




DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE

CAUTION:
Always drive vehicle at a safe speed.
1.PRECONDITIONING
Immediately after performing any "DTC CONFIRMATION PROCEDURE", always turn ignition switch OFF.
Then wait at least 10 seconds before performing the next test.
- GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III
1. Start the engine.
2. Select "Data Monitor" in "TRANSMISSION".
3. Select "SEC SPEED" and "VEHICLE SPEED".
4. Drive the vehicle.
5. Maintain the following conditions for 5 seconds or more.





6. Stop the vehicle.
7. Select "Self Diagnostic Results" in "TRANSMISSION".
With GST
Follow the procedure "With CONSULT-III".
Is "P0715" detected?
YES - Go to P0715.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK PRIMARY SPEED SENSOR POWER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect primary speed sensor connector.
3. Turn ignition switch ON.
4. Check voltage between primary speed sensor vehicle side harness connector terminal and ground.





Is the inspection result normal?
YES - GO TO 2.
NO - GO TO 6.
2.CHECK TCM INPUT SIGNAL
1. Turn ignition switch OFF.
2. Connect primary speed sensor connector.
3. Lift the vehicle.
4. Start the engine.
5. Check frequency of primary speed sensor.





Is the inspection result normal?
YES - GO TO 9.
NO - GO TO 3.
3.CHECK HARNESS BETWEEN TCM AND PRIMARY SPEED SENSOR (PART 1)
1. Turn ignition switch OFF.
2. Disconnect TCM connector and primary speed sensor connector.
3. Check continuity between TCM vehicle side harness connector terminal and primary speed sensor vehicle side harness connector terminal.





Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace damaged parts.
4.CHECK HARNESS BETWEEN TCM AND PRIMARY SPEED SENSOR (PART 2)
Check continuity between TCM vehicle side harness connector terminal and ground.





Is the inspection result normal?
YES - GO TO 5.
NO - Repair or replace damaged parts.
5.CHECK CVT UNIT CIRCUIT
1. Disconnect CVT unit connector.
2. Check continuity between CVT unit connector terminal and ground.





Is the inspection result normal?
YES - GO TO 9.
NO - Repair or replace damaged parts.
6.CHECK HARNESS BETWEEN PRIMARY SPEED SENSOR (POWER) AND IPDM E/R (PART 1)
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Check continuity between primary speed sensor vehicle side harness connector terminal and IPDM E/R vehicle side harness connector terminal.





Is the inspection result normal?
YES - GO TO 7.
NO - Repair or replace damaged parts.
7.CHECK HARNESS BETWEEN PRIMARY SPEED SENSOR (POWER) AND IPDM E/R (PART 2)
Check continuity between primary speed sensor vehicle side harness connector terminal and ground.





Is the inspection result normal?
YES - GO TO 8.
NO - Repair or replace damaged parts.
8.DETECT MALFUNCTIONING ITEMS
Check the following.
- IPDM E/R
- 10A fuse (No.55, located in the IPDM E/R)
- Harness for short or open between IPDM E/R and ignition switch ( Ignition Power Supply.)
- Ignition switch
Is the inspection result normal?
YES - Check intermittent incident. Intermittent Incident
NO - Repair or replace damaged parts.
9.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
Is the inspection result normal?
YES - Replace primary speed sensor. Exploded View.
NO - Repair or replace damaged parts.