Symptom Chart
SYMPTOM CHART
| Condition | Possible Sources | Action |
|---|---|---|
| No communication with the instrument cluster |
|
Go To PINPOINT TEST A . |
| Incorrect fuel gauge indication |
|
Go To PINPOINT TEST B . |
| Incorrect voltage gauge indication-manual transmission only |
|
Go To PINPOINT TEST C . |
| Incorrect oil pressure gauge indication |
|
Go To PINPOINT TEST D . |
| Incorrect temperature gauge indication |
|
Go To PINPOINT TEST E . |
| Incorrect transmission temperature gauge indication-automatic transmission only |
|
Go To PINPOINT TEST F . |
| The low fuel warning indicator is never/always on |
|
Go To PINPOINT TEST G . |
| The speedometer is inoperative |
|
Go To PINPOINT TEST H . |
| The tachometer is inoperative |
|
Go To PINPOINT TEST I . |
| Trip odometer inoperative, speedometer OK |
|
VERIFY the trip odometer reset button is not binding. If OK, INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER . TEST the system for normal operation. |
|
REFER to MODULE CONFIGURATION - EXCURSION & F250-F550 SUPER DUTY PICKUP for module configuration. | |
| The door ajar indicator is inoperative (chime is operative)/does not operate correctly |
|
Go To PINPOINT TEST J . |
| The safety belt warning indicator is inoperative (chime is operative)/does not operate correctly |
|
Go To PINPOINT TEST K . |
| Inaccurate speedometer reading |
|
Go To PINPOINT TEST H . |
|
REFER to MODULE CONFIGURATION - EXCURSION & F250-F550 SUPER DUTY PICKUP for module configuration. | |
| The ABS warning indicator is never/always on |
|
Go To PINPOINT TEST L . |
| The brake warning indicator is never on |
|
Go To PINPOINT TEST M . |
| The brake warning indicator is always on |
|
REFER to BRAKE SYSTEM-GENERAL INFORMATION - EXCURSION . |
| Malfunction indicator lamp (MIL) indicator is never on |
|
Go To PINPOINT TEST N . |
| Malfunction indicator lamp (MIL) indicator is always on |
|
REFER to SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE . |
| The charging system indicator is never on |
|
Go To PINPOINT TEST O . |
| The charging system indicator is always on |
|
REFER to GENERATORS & REGULATORS - EXCUSION & F250-550 SUPER DUTY PICKUPS (GASOLINE) , GENERATORS & REGULATORS - EXCUSION & F250-550 SUPER DUTY PICKUPS (DIESEL WITH SINGLE GENERATOR) or GENERATORS & REGULATORS - F250-550 SUPER DUTY PICKUPS (DIESEL WITH DUAL GENERATORS) . |
| The air bag indicator warning is never/always on |
|
Go To PINPOINT TEST P . |
| High beam indicator is never on |
|
Go To PINPOINT TEST Q . |
| The LH turn indicator is never on |
|
Go To PINPOINT TEST R . |
| The RH turn indicator is never on |
|
Go To PINPOINT TEST S . |
| The 4X4 high/LOW RANGE indicator is never/always on-electronic |
|
Go To PINPOINT TEST T . |
|
REFER to MODULE CONFIGURATION - EXCURSION & F250-F550 SUPER DUTY PICKUP for module configuration. | |
| The 4X4 high/LOW RANGE indicator is never/always on-manual |
|
Go To PINPOINT TEST U . |
|
REFER to MODULE CONFIGURATION - EXCURSION & F250-F550 SUPER DUTY PICKUP for module configuration. | |
| The wait to start indicator is never/always on-diesel only |
|
Go To PINPOINT TEST V . |
| The water in fuel indicator is never/always on-diesel only |
|
Go To PINPOINT TEST W . |
| The speed control indicator is never/always on |
|
Go To PINPOINT TEST X . |
| The theft indicator is never/always on |
|
Go To PINPOINT TEST Y . |
| The check fuel cap indicator is inoperative/always on |
|
Go To PINPOINT TEST Z . |
| The CHECK GAGE warning indicator is inoperative/always on |
|
Go To PINPOINT TEST AA . |
| The check air filter indicator is never/always on-diesel only |
|
Go To PINPOINT TEST AB . |
| The instrument cluster is inoperative |
|
Go To PINPOINT TEST AC . |