Test 2C - Repairing Instrument Cluster Power Supply
NOTE:
For connector terminal identification, see CONNECTOR IDENTIFICATION
. For wiring diagrams, see WIRING DIAGRAMS
. Perform TEST VER-1 after each repair.
CAUTION:
Always turn ignition switch to OFF position prior to disconnecting any module connector.
- Turn ignition switch to OFF position. Remove and inspect fuse No. 17. See Fig 1 . If fuse is open, go to TEST 2D. If fuse is okay, reinstall fuse. Go to next step.
- Turn ignition switch to ON position. Using DRB in voltmeter mode, check voltage on fuse No. 17 (Red/White wire). If voltage is less than 10 volts, go to step 7). If voltage is more than 10 volts, go to next step.
- Turn ignition switch to OFF position. Disconnect instrument cluster Black connector. Turn ignition switch to ON position. Check voltage on instrument cluster Black connector terminal No. 6 (Red/White wire). If voltage is less than 10 volts, repair open Red/White wire. If voltage is more than 10 volts, go to next step.
- Check voltage on instrument cluster Black connector terminal No. 3 (Violet/Brown wire). If voltage is less than 10 volts, repair open Violet/Brown wire. If voltage is more than 10 volts, go to next step.
- Check voltage on instrument cluster Black connector terminal No. 2 (White/Black wire). If voltage is less than 10 volts, repair open White/Black wire. If voltage is more than 10 volts, go to next step.
- Turn ignition switch to OFF position. Using DRB in ohmmeter mode, check resistance of instrument cluster Black connector terminal No. 1 (Black/Light Green wire). If resistance is more than 5 ohms, repair open Black/Light Green wire. If resistance is less than 5 ohms, replace instrument cluster.
- Turn ignition switch to OFF position. Disconnect ignition switch connector. See Fig 2 . Turn ignition switch to ON position. Using DRB in voltmeter mode, check voltage on ignition switch connector terminal No. 9 (Red wire). If voltage is less than 10 volts, repair open Red wire. If voltage is more than 10 volts, go to next step.
- Turn ignition switch to OFF position. Using an external ohmmeter, check resistance of Red/White wire between ignition switch connector terminal No. 8 and fuse No. 17. If resistance is more than 5 ohms, repair open Red/White wire. If resistance is less than 5 ohms, replace ignition switch.