LEMON Manuals: Even more car manuals for everyone
Home >> Lincoln >> 2003 >> LS 3.0 S >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Information, Gauges And Warning Devices >> Diagnosis And Testing >> Instrument Cluster >> Symptom Chart >> Notes

Symptom Chart: Notes

SYMPTOM CHART

Condition Possible Sources Action
No communication with the instrument cluster module
  • Central junction box (CJB) fuse(s):
    • 4 (5A).
    • 13 (5A).
    • 17 (5A).
    • 20 (10A).
  • Circuitry.
  • J1850 standard corporate protocol (SCP) communication network.
  • Instrument cluster.
 Go To PINPOINT TEST F .
No communication with the front electronic module (FEM)
  • Central junction box fuse(s):
    • 20 (10A).
    • 29 (5A).
    • 30 (5A).
    • 33 (10A).
  • Battery junction box (BJB) fuse 25 (40A).
  • Circuitry.
  • J1850 standard corporate protocol (SCP) communication network.
  • FEM.
 REFER to MODULE COMMUNICATIONS NETWORK to continue module communication diagnosis.
No communication with the rear electronic module (REM)
  • Battery junction box (BJB) fuse(s):
    • 25 (40A).
    • 1 (15A).
    • 19 (20A).
    • 30 (20A).
  • Central junction box (CJB) fuse 20 (10A).
  • Circuitry.
  • J1850 standard corporate protocol (SCP) communication network.
  • REM.
 REFER to MODULE COMMUNICATIONS NETWORK to continue module communication diagnosis.
No communication with the restraint control module (RCM)
  • Central junction box (CJB) fuse 5 (10A).
  • Circuitry.
  • J1850 standard corporate protocol (SCP) communication network.
  • RCM.
 REFER to AIR BAG RESTRAINT SYSTEMS to continue module communication diagnosis.
No communication with the electronic parking brake module
  • Battery junction box (BJB) fuse 19 (30A).
  • Circuitry.
  • J1850 standard corporate protocol (SCP) communication network.
  • Electronic parking brake module.
 REFER to BRAKE SYSTEM - LS to continue module communication diagnosis.
Incorrect fuel gauge indication
  • Fuel tank.
  • Circuitry.
  • Fuel level sender(s).
  • Fuel pump module.
  • Rear electronic module (REM).
  • Instrument cluster.
 Go To PINPOINT TEST G .
Incorrect temperature gauge indication
  • Circuitry.
  • Engine coolant temperature sender.
  • Powertrain control module (PCM).
  • Instrument cluster.
 Go To PINPOINT TEST H .
The low fuel warning indicator is never/always on
  • Circuitry.
  • Fuel sender(s).
  • Powertrain control module (PCM).
  • Rear electronic module (REM).
  • Instrument cluster.
 Go To PINPOINT TEST I .
The speedometer is inoperative
  • Circuitry.
  • Anti-lock brake system/traction control/integrated vehicle dynamics (ABS/TC/IVD) module.
  • Instrument cluster.
 Go To PINPOINT TEST J .
The odometer is inoperative
  • Circuitry.
  • Instrument cluster.
 Go To PINPOINT TEST K .
The tachometer is inoperative
  • Circuitry.
  • Powertrain control module (PCM).
  • Instrument cluster.
 Go To PINPOINT TEST L .
The door ajar indicator is inoperative (chime is operative) does not operate correctly
  • Circuitry.
  • Front electronic module (FEM).
  • Rear electronic module (REM).
  • Instrument cluster.
 Go To PINPOINT TEST M .
The safety belt warning indicator is never/always on
  • Circuitry.
  • Safety belt switch (part of buckle end).
  • Instrument cluster.
 Go To PINPOINT TEST N .
The low oil pressure warning indicator is never/always on
  • Circuitry.
  • Engine oil pressure.
  • Engine oil pressure switch.
  • Front electronic module (FEM).
  • Instrument cluster.
 Go To PINPOINT TEST O .
The charging system warning indicator is never/always on
  • Circuitry.
  • Generator.
  • Powertrain control module (PCM).
  • Instrument cluster.
 Go To PINPOINT TEST P .
The brake warning indicator is never on
  • Circuitry.
  • Brake fluid level switch.
  • J1850 standard corporate protocol (SCP) communication network.
  • Anti-lock brake system/traction control/integrated vehicle dynamics (ABS/TC/IVD) module.
  • Front electronic module (FEM).
  • Electronic parking brake module.
  • Instrument cluster.
 Go To PINPOINT TEST Q .
The brake warning indicator is always on
  • Circuitry.
  • Low brake fluid level.
  • Low brake pressure.
  • Brake fluid level switch.
  • Anti-lock brake system/traction control/integrated vehicle dynamics (ABS/TC/IVD) module.
  • Front electronic module (FEM).
  • Electronic parking brake module.
  • Instrument cluster.
 REFER to BRAKE SYSTEM - LS to continue diagnosis.
The high beam indicator is never/always on
  • Circuitry.
  • Multifunction switch.
  • Front electronic module (FEM).
  • Instrument cluster.
 Go To PINPOINT TEST R .
The low washer fluid warning indicator is never/always on
  • Circuitry.
  • Low washer fluid switch.
  • Front electronic module (FEM).
  • Instrument cluster.
 Go To PINPOINT TEST S .
The anti-lock brake system (ABS) warning indicator is never on
  • Circuitry.
  • Anti-lock brake system/traction control/integrated vehicle dynamics (ABS/TC/IVD) module.
  • Instrument cluster.
 Go To PINPOINT TEST T .
The anti-lock brake system (ABS) warning indicator is always on
  • Circuitry.
  • Anti-lock brake system/traction control/integrated vehicle dynamics (ABS/TC/IVD) module.
  • Instrument cluster.
 REFER to ANTI-LOCK CONTROL - LS to continue diagnosis.
The traction control indicator and advance traction control indicators are never/always on
  • Circuitry.
  • Anti-lock brake system/traction control/integrated vehicle dynamics (ABS/TC/IVD) module.
  • Instrument cluster.
 Go To PINPOINT TEST U .
The electronic throttle control is never/always on
  • Circuitry.
  • Powertrain control module (PCM).
  • Instrument cluster.
 Go To PINPOINT TEST V .
The malfunction indicator lamp (MIL) is never/always on
  • Circuitry.
  • Powertrain control module (PCM).
  • Instrument cluster.
 Go To PINPOINT TEST W .
The turn/hazard indicator is never/always on
  • Circuitry.
  • Multifunction switch.
  • Instrument cluster.
 Go To PINPOINT TEST X .
The steering column lock warning indicator is never/always on
  • Circuitry.
  • Steering column lock (SCL).
  • Front electronic module (FEM).
  • Rear electronic module (REM).
  • Instrument cluster.
 Go To PINPOINT TEST Y .
The speed control indicator is never/always on
  • Circuitry.
  • Anti-lock brake system/traction control/integrated vehicle dynamics (ABS/TC/IVD) module.
  • Powertrain control module (PCM).
  • Instrument cluster.
 Go To PINPOINT TEST Z .
The engine over-temperature warning indicator is never/always on
  • Circuitry.
  • Powertrain control module (PCM).
  • Instrument cluster.
 Go To PINPOINT TEST AA .
The air bag warning indicator is never on
  • Circuitry.
  • Restraint control module (RCM).
  • Instrument cluster.
 Go To PINPOINT TEST AB .
The air bag warning indicator is always on
  • Circuitry.
  • Restraint Control Module (RCM).
  • Instrument cluster.
 REFER to AIR BAG RESTRAINT SYSTEMS to continue diagnosis.
The CHECK FUEL CAP indicator is never/always on
  • Circuitry.
  • Fuel evaporative system.
  • Powertrain control module (PCM).
  • Instrument cluster.
 Go To PINPOINT TEST AC .
The integrated circuit display is inoperative
  • Circuitry.
  • Digital transmission range (TR) sensor.
  • Front electronic module (FEM).
  • Rear electronic module (REM).
  • Powertrain control module (PCM).
  • Instrument cluster.
 Go To PINPOINT TEST AD .
The instrument cluster is inoperative
  • Central junction box (CJB) fuse(s):
    • 4 (5A).
    • 13 (5A).
    • 17 (5A).
    • 20 (10A).
  • Circuitry.
  • Instrument cluster.
 Go To PINPOINT TEST AE .
scientia non olet · About LEMON Manuals