Ranger 2WD V6-182 3.0L (1995)
Driver/Vehicle Information Display: Testing and Inspection
TROUBLESHOOTING
The following precautions must be taken when performing any diagnosis:
1. Check condition of system fuse before proceeding.
2. All tests must be performed with ignition switch in Run position.
3. Ambient temperature must be (60-80 degrees F) to provide accurate test results.
4. All voltage measurements must be made using a suitable digital voltmeter. Do not touch voltmeter probes with fingers.
Fig. 16 Graphic Display Warning System Wiring Diagrams. 1988 Bronco II & Ranger
Fig. 17 Graphic Display Warning System Electrical Connectors
5. Refer to system wiring diagram when performing tests. The harness connectors are located at front of console.
Taillight LED Illuminates Or Gives False Indication
1. Measure voltage between terminals 14 and 102 with headlight switch ON.
2. Voltage should measure 0.48 volt or more.
3. If voltage is not within specifications, check condition of bulbs and replace as necessary. If bulbs are satisfactory, check circuits for an open or
short and repair as necessary.
4. If voltage is within specifications, but taillight LED remains lit, replace graphic display module.
Headlight LED Illuminates Or Gives False Indication
1. Measure voltage between terminals 13 and 108 with headlight switch ON.
2. Voltage should measure 0.47 volt or more.