Component Function Check
1.COMBINATION METER INPUT SIGNAL

Does the data monitor value approximately match the fuel gauge indication? YES >> Inspection End.
NO >> Replace combination meter. Refer to MWI-82, "Removal and Installation".
Diagnosis Procedure
1.CHECK FUEL LEVEL SENSOR UNIT AND FUEL PUMP (FUEL LEVEL SENSOR) CIRCUIT


Is the inspection result normal? YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK FUEL LEVEL SENSOR UNIT AND FUEL PUMP (FUEL LEVEL SENSOR) GROUND CIRCUIT
Check continuity between fuel level sensor unit and fuel pump (fuel level sensor) harness connector and combination meter harness connector.

Is the inspection result normal? YES >> Replace combination meter. Refer to MWI-82, "Removal and Installation".
NO >> Repair harness or connector.
Component Inspection
1.CHECK FUEL LEVEL SENSOR UNIT AND FUEL PUMP (FUEL LEVEL SENSOR)


*: When float rod is contact with stopper.
Is the inspection result normal? YES >> GO TO 2.
NO >> Replace fuel level sensor unit and fuel pump (fuel level sensor). Refer to FL-6, "Removal and Installation".
2.CHECK FUEL LEVEL SENSOR UNIT (SUB)


*: When float rod is contact with stopper.
Is the inspection result normal? YES >> Inspection End.
NO >> Replace fuel level sensor unit (sub). Refer to FL-6, "Removal and Installation".
Power supply and ground circuit
Parking brake switch signal circuitC1109 power and ground system
DTC Logic
DTC DETECTION LOGIC
DTC
Display Item
Malfunction detected condition
Possible causes
C1109
BATTERY VOLTAGE
[ABNORMAL]
When ignition voltage is 10 V or less.
When ignition voltage is 16 V or more.
Harness or connector ...
P117A air fuel ratio
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P117A
AIR FUEL RATIO B1
(AIR FUEL RATIO B1)
ECM detects a lean/rich air fuel ratio state in any cylinder for a
specified
length of time.
...
Wiring diagram
TIRE PRESSURE MONITORING SYSTEM
Wiring Diagram
...