VSA activation indicator does not come on at start-up (bulb check)
- Turn the ignition switch ON (II), and watch the VSA activation indicator.
Does the VSA activation indicator come on for several seconds?
YES - The system is OK at this time. Refer to INTERMITTENT FAILURES .
NO - Go to step 2.
- Do the gauge control module self-diagnosis function procedure (see
SELF-DIAGNOSTIC FUNCTION
).
Is the gauge control module OK?
YES - Go to step 3.
NO - Replace the gauge control module (see GAUGE CONTROL MODULE REPLACEMENT ).
- Turn the ignition switch OFF.
- Substitute a known-good VSA modulator-control unit (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION ).
- Turn the ignition switch ON (II).
Does the VSA activation indicator come on?
YES - Replace the original VSA modulator-control unit (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION ).
NO - Check for loose terminals in the gauge control module connectors. If connections are good, replace the gauge control module.