Honda HR-V Owners & Service Manuals

Honda HR-V: Shift Lock System Circuit Troubleshooting (CVT)

NOTE: Check for PGM-FI DTCs and CVT DTCs. If any DTCs are present, troubleshoot those first.

PGM-FI System

Continuously Variable Transmission (CVT) - Testing & Troubleshooting

CVT System

Continuously Variable Transmission (CVT) - Testing & Troubleshooting

1. Shift lock solenoid check:

  1. Connect the HDS to the DLC - Refer to: How to Troubleshoot the Fuel and Emissions Systems, or How to Troubleshoot the CVT System (CVT).
  2. Turn the vehicle to the ON mode.
  3. Make sure the HDS communicates with the vehicle. If it does not, go to the DLC circuit troubleshooting.
  4. Select the Shift Lock Solenoid Test in the Miscellaneous Test Menu, and check that the shift lock solenoid operates with the HDS.

Shift Lock Solenoid Test

Does the shift lock solenoid work properly?

YES

The shift lock solenoid is OK. Go to step 7.

NO

Go to step 2.

2. Fuse check:

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Check the following fuse.

Continuously Variable Transmission (CVT) - Testing & Troubleshooting

Is the fuse OK?

YES

The fuse is OK. Go to step 3.

NO

Replace the No. C34 (7.5 A) fuse, and recheck. If the fuse blows again, repair a short to ground in the No. C34 (7.5 A) fuse circuit.

3. Open wire check (IG1 METER line):

  1. Remove the center console.
  2. Disconnect the following connector.

Shift lock solenoid 2P connector

  1. Turn the vehicle to the ON mode.
  2. Measure the voltage between test points 1 and 2.

Continuously Variable Transmission (CVT) - Testing & Troubleshooting

Continuously Variable Transmission (CVT) - Testing & Troubleshooting

Is there battery voltage?

YES

The IG1 METER wire is OK. Go to step 4.

NO

Repair an open in the IG1 METER wire between the shift lock solenoid and the under-dash fuse/relay box.

4. Determine possible failure area (short in SHIFT LOCK SOL line, open in SHIFT LOCK SOL line):

  1. With the shift lever in P position/mode, press the brake pedal.

    NOTE: Do not press the accelerator pedal.

  2. Measure the voltage between test points 1 and 2.

Continuously Variable Transmission (CVT) - Testing & Troubleshooting

Continuously Variable Transmission (CVT) - Testing & Troubleshooting

Is there battery voltage?

YES

Go to step 5.

NO

Go to step 6.

5. Shorted wire check (SHIFT LOCK SOL line):

  1. Release the brake pedal.

    NOTE: The shift lever must be in P position/mode.

  2. Measure the voltage between test points 1 and 2.

Continuously Variable Transmission (CVT) - Testing & Troubleshooting

Continuously Variable Transmission (CVT) - Testing & Troubleshooting

Continuously Variable Transmission (CVT) - Testing & Troubleshooting

Is there battery voltage?

YES

Repair a short to ground in the SHIFT LOCK SOL wire between the shift lock solenoid and the PCM.

NO

The SHIFT LOCK SOL wire is OK. Check the shift lock mechanism. If the mechanism is OK, replace the shift lock solenoid.

6. Open wire check (SHIFT LOCK SOL line):

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Jump the SCS line with the HDS.
  3. Disconnect the following connector.

PCM connector A (51P)

  1. Check for continuity between test points 1 and 2.

Continuously Variable Transmission (CVT) - Testing & Troubleshooting

Continuously Variable Transmission (CVT) - Testing & Troubleshooting

Is there continuity?

YES

The SHIFT LOCK SOL wire is OK. Update the PCM if it does not have the latest software, or substitute a known-good PCM, then recheck. If the symptom goes away and the PCM was updated, troubleshooting is complete. If the symptom goes away and the PCM was substituted, replace the original PCM.

NO

Repair an open in the SHIFT LOCK SOL wire between the shift lock solenoid and the PCM.

7. Brake pedal position switch check:

Check the parameter(s) below with the HDS while pressing the brake pedal.

Continuously Variable Transmission (CVT) - Testing & Troubleshooting

Do the current condition (s) match the threshold?

YES

The brake pedal position switch is OK. Go to step 9.

NO

If the brake lights come on, go to step 8. If the brake lights do not work, repair faulty brake light circuit.

8. Open wire check (BRK DIAG line):

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Jump the SCS line with the HDS.
  3. Disconnect the following connector.

PCM connector A (51P)

  1. Measure the voltage between test points 1 and 2.

Continuously Variable Transmission (CVT) - Testing & Troubleshooting

Is there battery voltage while pressing the brake pedal, and about 0 V when the pedal is released?

YES

The BRK DIAG wire is OK. Update the PCM if it does not have the latest software, or substitute a known-good PCM, then recheck. If the symptom goes away and the PCM was updated, troubleshooting is complete. If the symptom goes away and the PCM was substituted, replace the original PCM.

NO

Repair an open in the BRK DIAG wire between the brake pedal position switch and the PCM.

9. Transmission range switch operation check:

Check the parameter(s) below with the HDS with the shift lever in P position/mode.

Continuously Variable Transmission (CVT) - Testing & Troubleshooting

Do the current condition (s) match the threshold?

YES

The transmission range switch is OK. Go to step 12.

NO

Go to step 10.

10. Transmission range switch check:

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Disconnect the following connector.

Transmission range switch 10P connector

  1. Connect terminals A and B with a jumper wire.

Continuously Variable Transmission (CVT) - Testing & Troubleshooting

Continuously Variable Transmission (CVT) - Testing & Troubleshooting

  1. Turn the vehicle to the ON mode.
  2. Check the parameter(s) below.

Continuously Variable Transmission (CVT) - Testing & Troubleshooting

Do the current condition (s) match the threshold?

YES

Replace the transmission range switch.

NO

The transmission range switch is OK. Go to step 11.

11. Open wire check (ATP P line):

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Remove the jumper wire.
  3. Jump the SCS line with the HDS.
  4. Disconnect the following connector.

PCM connector B (51P)

  1. Check for continuity between test points 1 and 2.

Continuously Variable Transmission (CVT) - Testing & Troubleshooting

Continuously Variable Transmission (CVT) - Testing & Troubleshooting

Is there continuity?

YES

The ATP P wire is OK. Update the PCM if it does not have the latest software, or substitute a known-good PCM, then recheck. If the symptom goes away and the PCM was updated, troubleshooting is complete. If the symptom goes away and the PCM was substituted, replace the original PCM.

NO

Repair an open in the ATP P wire between the transmission range switch and the PCM.

12. APP sensor check:

Check the parameter(s) below with the HDS.

NOTE: Do not press the accelerator pedal.

Continuously Variable Transmission (CVT) - Testing & Troubleshooting

Do the current condition (s) match the threshold?

YES

The APP sensor is OK. Update the PCM if it does not have the latest software, or substitute a known-good PCM, then recheck. If the symptom goes away and the PCM was updated, troubleshooting is complete. If the symptom goes away and the PCM was substituted, replace the original PCM.

NO

Check the APP sensor.

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