DTC P0720 OUTPUT PULLEY SPEED SENSOR CVT - Diagnostic Procedure
AT-7069flowchartDiagnostic Procedure
1. CHECK OUTPUT PULLEY SPEED SENSOR
NOTE
Refer to "Component Inspection", AT-7070.
1
OK or NG
OK (Without CONSULT-II)
GO TO 3.
NG
Repair or replace output pulley speed sensor.
OK (With CONSULT-II)
2
GO TO 2.
2. CHECK INPUT SIGNAL (With CONSULT-II)
- 1With CONSULT-II: Start engine.
- 2Select "TCM INPUT SIGNALS" in "DATA MONITOR" mode for "CVT" with CONSULT-II.
- 3Read out the value of "VEHICLE SPEED" while driving. Check the value changes according to driving speed.
1
OK or NG
NG
Check the following items: Harness for short or open between TCM, ECM and output pulley speed sensor (Main harness); Ground circuit for ECM (Refer to EC section "TROUBLE DIAGNOSIS FOR POWER SUPPLY")
Check the following items: Harness for short or open between TCM, ECM and output pulley speed sensor (Main harness); Ground circuit for ECM (Refer to EC section "TROUBLE DIAGNOSIS FOR POWER SUPPLY")
OK
2
GO TO 3.
3. CHECK DTC
NOTE
Perform Diagnostic Trouble Code (DTC) confirmation procedure, AT-7066.
1
OK or NG
NG
1. Perform TCM input/output signal inspection. 2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK
2
INSPECTION END