Component Function Check
1.CHECK THE ILLUMINATION OF THE LOW TIRE PRESSURE WARNING LAMP
Check that the low tire pressure warning lamp is turned OFF after illuminating for approximately 1 second, when the ignition switch is turned ON.
Is the inspection result normal?
YES >> Inspection End.
NO >> Perform trouble diagnosis. Refer to WT "Diagnosis Procedure".
Diagnosis Procedure
1.PERFORM SELF DIAGNOSTIC RESULT
With CONSULT
Are any DTCs detected?
YES >> Refer to BCS "DTC Index" or BCS "DTC Index".
NO >> GO TO 3.
2.CHECK LOW TIRE PRESSURE WARNING LAMP SIGNAL
With CONSULT
Is the inspection result normal?
YES >> Check the combination meter. Refer to MWI, "CONSULT Function" (type B) or MWI "CONSULT Function" (type A).
NO >> Replace the BCM. Refer to BCS "Removal and Installation" or BCS "Removal and Installation".
P1148 closed loop control
DTC Logic
DTC DETECTION LOGIC
NOTE:
DTC P1148 is displayed with DTC for A/F sensor 1.
When the DTC is detected, perform the trouble diagnosis of DTC corresponding to
A/F sensor 1.
DTC No.
Trouble diagnosis
(Trouble diagnosis content)
DTC detecting condition
Possible cause ...
P0744 Torque converter
Description
This DTC is detected when the torque converter clutch solenoid valve is
electrically normal but the torque converter
clutch does not engage. This is not due to an electrical malfunction (circuit
open or shorted), but is
instead due to a mechanical malfunction (sticking of the cont ...