The VTM-4 LOCK indicator does not come on for about 4 seconds when the ignition switch is turned ON (II)
- Disconnect VTM-4 control unit connector A (22P).
- Connect VTM-4 control unit connector terminal A16 to body ground with a jumper wire.
- Turn the ignition switch to ON (II).
- Check the VTM-4 LOCK indicator.
Does the VTM-4 LOCK indicator come on?
YES -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 ). ■
NO -Go to step 5.
- Turn the ignition switch to LOCK (0).
- Remove the jumper wire from VTM-4 control unit connector terminal A16.
- Remove the VTM-4 LOCK switch.
- Connect the VTM-4 LOCK switch 5P connector terminal No. 5 to body ground with a jumper wire.
- 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 -Go to step 9.
NO -Repair open in the wire between VTM-4 control unit (A16) and the VTM-4 LOCK switch.
- Remove the jumper wire from the VTM-4 LOCK switch.
- Turn the ignition switch ON (II).
- Measure the voltage between the VTM-4 LOCK switch 5P connector terminal No. 2 and body ground.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage?
YES -Replace the VTM-4 LOCK indicator bulb (see VTM-4 LOCK SWITCH TEST/REPLACEMENT ).
NO -Repair open in the wire between the No. 2 terminal of the VTM-4 LOCK switch 5P connector and the driver's under-dash fuse/relay box. ■