Information Display Test
- Remove information display meter hood. Using a DVOM, measure voltage on wiring harness side of terminal connector. See Fig 1 and Fig 2 . See INFORMATION DISPLAY TEST table.
- If voltage measurements are not as specified, check related components and wiring. See WIRING DIAGRAMS . If related components and wiring are okay, but information display is still not functioning properly, replace information display.
INFORMATION DISPLAY TEST
| Terminal (Signal)/Test Condition | Value | |
|---|---|---|
| A (Power Supply) ROOM Fuse | ||
| Any Condition | Battery Voltage | |
| C (TNS) ILLUMI Fuse | ||
| Headlight Switch On | Battery Voltage | |
| Headlight Switch Off | Zero Volts | |
| D (ACC) RADIO Fuse | ||
| Ignition Switch In ACC Position | Battery Voltage | |
| R (Ambient Temperature A/C Amplifier) | ||
| Ignition On | 3.6 Volts | |
| S (Panel Light Control) | ||
| Headlight Switch On | Battery Voltage | |
| Headlight Switch Off | Zero Volts | |
| T (Information Display Ground) | ||
| Under Any Condition | Zero Volts | |