Honda HR-V: DTC B1646, B1648, B1660, B1664 Antenna Circuit Open
NOTE: Refer to the DTC code shown on the display, and then inspect the
connectors and terminals based on
the instructions in the table below.
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DTC (Keyless Access Control Unit)
NOTE: If you are troubleshooting multiple DTCs, be sure to
follow the instructions in B-CAN System Diagnosis Test Mode A - Refer to: Body
Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial
Communication and DTC Checks.
1. Problem verification:
- Clear the DTCs with the HDS.
Clear DTCs
- Select the KEYLESS ACCESS CONTROL UNIT from the ONE-PUSH START system
select menu
with the HDS, and enter the SELF CHECK.
One-Push - KEYLESS ACCESS CONTROL UNIT - SELF CHECK
- Do the SELF CHECK.
- Check for DTCs with the HDS.
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Are any DTCs indicated?
YES
Go to step 2.
NO
Intermittent failure, the system is OK at this time. Check for loose or poor
connections.
2. Keyless access control unit EXT lines output check:
- Turn the vehicle to the OFF (LOCK) mode.
- Disconnect the following connector.
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- Turn the vehicle to the ON mode.
- Connect the voltmeter to terminals as specified in the table.
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- Select KEYLESS ACCESS CONTROL from the ONE-PUSH START system select menu
with the
HDS, and enter FUNCTIONAL TESTS.
One-Push - KEYLESS ACCESS CONTROL UNIT - FUNCTIONAL TESTS
- Select each ANTENNA L DC OUTPUT with the HDS.
Is there voltage?
YES
Replace the faulty LF antenna.
NO
Go to step 3.
3. Open wire check (EXT+ lines):
- Turn the vehicle to the OFF (LOCK) mode.
- Disconnect the following connector.
Keyless access control unit connector A (32P)
- Check for continuity between terminals as specified in the table while
in the vehicle OFF mode.
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Is there continuity?
YES
The EXT+ wires are OK. Go to step 4.
NO
Repair an open or high resistance in the wire between the keyless access
control unit and the LF antenna.
4. Open wire check (EXT- lines):
Check for continuity between terminals as specified in the table while in the
vehicle OFF mode.
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Is there continuity?
YES
Replace the keyless access control unit.
NO
Repair an open or high resistance in the wire between the keyless access
control unit and the LF antenna.
READ NEXT:
DTC (Keyless Access Control Unit)
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the
instructions in B-CAN System
Diagnosis Test Mode A - Refer to: Body Electrical Troubleshooting
NOTE:
Refer to the DTC code shown on the display, and then inspect the
connectors and terminals based on the
instructions in the table below.
The DTC may be stored due to the grounding failure o
SEE MORE:
Exploded View
NOTE: Prior to reassembling, clean all parts in solvent, dry them, and apply
MTF to all contact surfaces.
1. Reverse Idler Gear Shaft Assembly - Exploded View
Fig. 18: Exploded View Of Reverse Idler Gear Shaft Assembly
REVERSE LOCKOUT SOLENOID DISASSEMBLY AND REASSEMBLY (M/T)
Disasse
Models With Information Display
1. Inflate tires to correct pressure.
2. Apply parking brake.
3. Turn Ignition ON.
4. Press and hold the TPMS button. The MIL will flash.
5. Release parking brake.
6. Drive vehicle.
NOTE: If the MIL does not blink a few the relearn procedure did not take.
Repeat