Indicator Does Not Come on For About 4 Seconds

The VTM-4 LOCK indicator does not come on for about 4 seconds when ignition switch ON (II).
1. Disconnect the B (26P) connector from the VTM-4 control unit.
2. Turn the ignition switch ON (II).





3. Connect the B9 terminal of the VTM-4 control unit to body ground with a jumper wire, and watch the VTM-4 LOCK indicator.
Does the VTM-4 LOCK indicator come on?
YES-Check for loose terminal fit in the VTM-4 control unit connectors. If it is normal, replace the VTM-4 control unit.
NO-Go to step 4.
4. Turn the ignition switch OFF.
5. Remove the VTM-4 lock switch.





6. Connect the No. 5 terminal of the VTM-4 lock switch 5P connector to the body ground with a jumper wire. Check for continuity between the B9 terminal and body ground.
Is there continuity?
YES-Go to step 7.
NO-Repair open in the wire between the B9 terminal of the VTM-4 control unit and VTM-4 lock switch.
7. Turn the ignition switch ON (II).





8. Measure the voltage between the No. 2 terminal of the VTM-4 lock switch 5P connector and body ground.
Is there battery voltage?
YES-Replace VTM-4 LOCK indicator bulb.
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 boxes