DTC Logic
DTC DETECTION LOGIC
NOTE: DTC P1148 or P1168 is displayed with another DTC for A/F sensor 1.
Perform the trouble diagnosis for the corresponding DTC.

P1078, P1084 EVT control position sensor
P1211 TCS control unitBCM branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the BCM for damage, bend and loose
connection (unit side and
connector side).
2.CHECK HARNESS FOR OPEN CIRCUIT
Disc ...
P0456 evap control system
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0456 is displayed with DTC P0442, first perform the trouble diagnosis
for DTC P0456.
This diagnosis detects very small leakage in the EVAP line between fuel tank
and EVAP canister purge volume
control solenoid valve, using the intake manifold va ...
ECM branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and
loose connection (unit side and connector
side).
- Models without automatic drive positione ...