DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerMain line between HVAC and A-bag circuit
Diagnosis Procedure
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Turn the ignition switch OFF.
Disconnect the battery cable from the negative
terminal.
Disconnect the following harness connectors.
A/C auto amp.
Harness connectors M1 and ...
Main line between DLC and HVAC circuit
Diagnosis Procedure
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect the following harness connectors.
ECM
A/C auto amp.
Check the continuity between the data link connector and the A/C ...
On board refueling vapor recovery (ORVR)
Description
From the beginning of refueling, the air and vapor inside the fuel tank go
via the refueling EVAP vapor cut
valve and EVAP/ORVR line to the EVAP canister. The vapor is absorbed by the EVAP
canister and the air is
released to the atmosphere.
When the refueling has reached ...