The VTM-4 LOCK indicator comes on when the ignition switch is turned ON (II) and does not go off
NOTE:
Before you troubleshoot, review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ).
- Disconnect VTM-4 control unit connector A (22P).
- Turn the ignition switch to ON (II).
- Watch the VTM-4 LOCK indicator.
Does the VTM-4 LOCK indicator come on?
YES -Go to step 4.
NO -Check for poor connections or loose terminals at the VTM-4 control unit connectors. If the connections are OK, substitute a known-good VTM-4 control unit (see VTM-4 CONTROL UNIT REPLACEMENT ) and recheck. If the symptom/indication goes away with the known-good VTM-4 control unit, replace the original VTM-4 control unit (see VTM-4 CONTROL UNIT REPLACEMENT ). ■
- Turn the ignition switch to LOCK (0).
- Disconnect the VTM-4 LOCK switch 5P connector.
- Check for continuity between VTM-4 control unit connector terminal A16 and body ground.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES -Repair short to ground in the wire between VTM-4 control unit (A16) and the VTM-4 LOCK switch. ■
NO -Replace the VTM-4 LOCK switch (see REAR DIFFERENTIAL FLUID TEMPERATURE SENSOR REPLACEMENT ). ■