Skip to main content
ABS DTC Troubleshooting: 86-24, 86-25

DTC 86-24:
 F-CAN Communication with Engine Malfunction
DTC 86-25:
 F-CAN Communication with Engine Malfunction
  1. Turn the ignition switch to ON (II).
  1. Clear the DTC with the HDS.
  1. Test-drive the vehicle. Drive the vehicle at 10 km/h (7 mph) or more.
    NOTE: Drive the vehicle on a straight section of road, not on a lift.
  1. Check for DTCs with the HDS.
Is DTC 86-24 and/or 86-25 indicated?
YES -
Go to Step 5 .
NO -
Intermittent failure, the system is OK at this time. Check for loose terminals between ECM/PCM connector A (49P) and the ABS modulator-control unit 25P connector. Refer to intermittent failures troubleshooting.
  1. Turn the ignition switch to LOCK (0).
  1. Short the SCS line with the HDS.
  1. Disconnect ECM/PCM connector A (49P).
  1. Check for continuity between the ABS modulator-control unit 25P connector terminal and ECM/PCM connector A (49P) terminal (see table).
    Sign
    ABS Modulator-control Unit 25P Connector Terminal
    ECM/PCM Connector A (49P) Terminal
    CAN-L
    17
    4
    CAN-H
    1
    3

Is there continuity?
YES -
Go to Step 10 .
NO -
Repair open in the wire between the ECM/PCM and the ABS modulator-control unit.■
  1. Reconnect all connectors.
  1. Clear the DTC with the HDS.
  1. Test-drive the vehicle. Drive the vehicle at 10 km/h (7 mph) or more.
    NOTE: Drive the vehicle on a straight section of road, not on a lift.
  1. Check for DTCs with the HDS.
Is DTC 86-24 and/or 86-25 indicated?
YES -
NO -
If the ECM/PCM was updated, troubleshooting is complete. If the ECM/PCM was substituted, replace the original ECM/PCM.