Honda HR-V: DTC B1601 Keyless Access Control Unit Internal (CPU) Error
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
- Turn the vehicle to the OFF (LOCK) mode and then the ON mode.
- Check for DTCs with the HDS.
Is DTC B1601 indicated?
YES
Replace the keyless access control unit.
NO
Intermittent failure, the system is OK at this time.
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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
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
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 Troubleshootin
SEE MORE:
Removal & Installation
NOTE: If the keyless access control unit is replaced, do the keyless access
registration. If the original keyless
access control unit is installed, confirm that all systems work properly.
1. Gauge Control Module - Remove
2. Keyless Access Control Unit - Remove
Disconne
NOTE: Voltage controlled drivers are also known as "Saturated Switch"
drivers. They
typically require injector circuits with a total leg resistance of 12 ohms or
more.
NOTE: This example is based on a constant power/switched ground circuit.
See Fig. 2 for pattern that the following text describe