Diagnosis Procedure
NOTE: The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information.
1.PERFORM SELF DIAGNOSTIC RESULT
Perform "SELF DIAGNOSTIC RESULT".
Is DTC "U1000" detected?
YES >> Malfunction in CAN communication system. Refer to LAN "Trouble Diagnosis Flow Chart".
NO >> GO TO 2
2.CHECK COMBINATION METER
Check combination meter operation. Refer to MWI "CONSULT Function" (type B) or MWI "CONSULT Function" (type A).
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS "Removal and Installation" or BCS "Removal and Installation".
NO >> Replace combination meter. Refer to MWI "Removal and Installation" (type B) or MWI "Removal and Installation" (type A).

Diagnosis Procedure 1.INSPECT BCM CONNECTOR Turn ignition switch OFF. Disconnect BCM connectors. Check terminals for damage or loose connections. Is the inspection result normal? YES > ...
Readiness for inspection/maintenance (I/M) test
Due to legal requirements in some states and
Canadian Provinces, your vehicle may be required
to be in what is called the "ready condition"
for an Inspection/Maintenance (I/M) test of
the emission control system.
The vehicle is set to the "ready condition" when it
is driven through certain d ...
Fuel filler cap warning system
FUEL FILLER CAP WARNING SYSTEM : System Diagram
FUEL FILLER CAP WARNING SYSTEM : System Description
INPUT/OUTPUT SIGNAL CHART
Input
Unit/Sensor
Input signal to ECM
ECM function
EVAP control system pressure sensor
Pressure in purge line
Fuel filler cap warning cont ...