DTC P0722:00 [DJVA-EL]
id0502l1821500
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DTC P0722:00 |
Secondary pulley speed sensor signal malfunction |
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DETECTION CONDITION
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• Condition: TCM normal during engine rotation
• Status: AD value not within specification
• Period: Confirmed 300 times
Diagnostic support note
• The AT warning light illuminates if the TCM detects the above malfunction condition during the first drive cycle.
• PENDING CODE is not available.
• The DTC is stored in the TCM memory.
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POSSIBLE CAUSE
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• Secondary pulley speed sensor connector or terminal malfunction
• Short to GND in wiring harness for secondary pulley speed sensor terminal B and TCM terminal B16
• Short to GND in wiring harness for secondary pulley speed sensor terminal A and TCM terminal B6
• Short to power supply in wiring harness for secondary pulley speed sensor terminal B and TCM terminal B16
• Short to power supply in wiring harness for secondary pulley speed sensor terminal A and TCM terminal B6
• Secondary pulley speed sensor malfunction
• Coupler component connector or terminal malfunction
• Short to GND in wiring harness for coupler component terminal E and TCM terminal A4
• Short to GND in wiring harness for coupler component terminal F and TCM terminal A2
• Short to power supply in wiring harness for coupler component terminal E and TCM terminal A4
• Short to power supply in wiring harness for coupler component terminal F and TCM terminal A2
• TCM connector or terminal malfunction
• Open circuit in wiring harness for secondary pulley speed sensor terminal B and TCM terminal B16
• Open circuit in wiring harness for secondary pulley speed sensor terminal A and TCM terminal B6
• Open circuit in wiring harness for coupler component terminal E and TCM terminal A4
• Open circuit in wiring harness for coupler component terminal F and TCM terminal A2
• Belt grip pressure linear solenoid malfunction
• TCM malfunction
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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VERIFY RELATED REPAIR INFORMATION AVAILABILITY
• Verify related service information availability.
• Is any related repair information available?
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Yes
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Perform repair or diagnosis according to the available repair information.
• If the vehicle is not repaired, go to the next step.
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No
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Go to the next step.
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2
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INSPECT SECONDARY PULLEY SPEED SENSOR CONNECTOR FOR POOR CONNECTION
• Switch the ignition to OFF.
• Disconnect the secondary pulley speed sensor connector.
• Inspect for poor connection (such as damaged/pulled-out pins, corrosion)
• Is there any malfunction?
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Yes
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Repair or replace the terminal, then go to Step 12.
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No
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Go to the next step.
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3
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INSPECT SECONDARY PULLEY SPEED SENSOR CIRCUIT FOR SHORT TO GND
• Switch the ignition to OFF.
• Inspect for continuity between the following circuits:
• Is there continuity?
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Yes
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Repair or replace the wiring harness for a possible short to GND, then go to Step 12.
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No
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Go to the next step.
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4
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INSPECT SECONDARY PULLEY SPEED SENSOR CIRCUIT FOR SHORT TO POWER SUPPLY
• Switch the ignition to ON (Engine off).
• Measure the voltage between the following circuits:
• Is the voltage B+?
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Yes
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Repair or replace the wiring harness for a possible short to power supply, then go to Step 12.
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No
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Go to the next step.
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5
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INSPECT SECONDARY PULLEY SPEED SENSOR
• Inspect the secondary pulley speed sensor.
• Is there any malfunction?
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Yes
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Replace the secondary pulley speed sensor, then go to Step 12.
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No
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Go to the next step.
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6
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INSPECT COUPLER COMPONENT CONNECTOR FOR POOR CONNECTION
• Switch the ignition to OFF.
• Disconnect the secondary pulley speed sensor connector.
• Inspect for poor connection (such as damaged/pulled-out pins, corrosion)
• Is there any malfunction?
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Yes
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Repair or replace the terminal, then go to Step 12.
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No
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Go to the next step.
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7
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INSPECT BELT GRIP PRESSURE LINEAR SOLENOID CIRCUIT FOR SHORT TO GND
• Switch the ignition to OFF.
• Inspect for continuity between the following circuits:
• Is there continuity?
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Yes
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Repair or replace the wiring harness for a possible short to GND, then go to Step 12.
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No
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Go to the next step.
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8
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INSPECT BELT GRIP PRESSURE LINEAR SOLENOID CIRCUIT FOR SHORT TO POWER SUPPLY
• Switch the ignition to ON (Engine off).
• Measure the voltage between the following circuits:
• Is the voltage B+?
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Yes
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Repair or replace the wiring harness for a possible short to power supply, then go to Step 12.
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No
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Go to the next step.
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9
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INSPECT TCM CONNECTOR FOR POOR CONNECTION
• Switch the ignition to OFF.
• Disconnect the TCM connector.
• Inspect for poor connection (such as damaged/pulled-out pins, corrosion)
• Is there any malfunction?
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Yes
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Repair or replace the terminal, then go to the Step 12.
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No
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Go to the next step.
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10
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INSPECT SECONDARY PULLEY SPEED SENSOR AND BELT GRIP PRESSURE LINEAR SOLENOID CIRCUIT FOR OPEN CIRCUIT
• Switch the ignition to OFF.
• Inspect for continuity between the following circuits:
• Is there continuity?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness for a possible open circuit, then go to the Step 12.
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11
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INSPECT BELT GRIP PRESSURE LINEAR SOLENOID
• Inspect the belt grip pressure linear solenoid.
• Is there any malfunction?
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Yes
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Perform the following procedure, then go to next step.
1. Replace the CVT.
2. Perform oil pressure sensor learning.
(See TCM LEARNING [DJVA-EL].)
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No
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Go to the next step.
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12
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VERIFY DTC TROUBLESHOOTING COMPLETED
• Make sure to reconnect all the disconnected connectors.
• Clear the DTC using the M-MDS.
• Perform the following procedure to ensure that the DTC has been resolved:
• Is the same DTC present?
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Yes
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Perform the following procedure, then go to next step.
1. Replace the TCM.
2. Perform TCM learning.
(See TCM LEARNING [DJVA-EL].)
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No
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Go to the next step.
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13
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VERIFY NO DTCs ARE PRESENT
• Perform the “Reading DTCs Procedure”.
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
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No
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DTC troubleshooting completed.
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