Description
The key warning chime does not sound, when all of the following conditions are fulfilled.
Diagnosis Procedure
1.CHECK BCM INPUT SIGNAL
1. Connect CONSULT.
2. Select the DATA MONITOR of BCM(BUZZER) and check the KEY ON SW monitor value. Refer to BCS "BUZZER : CONSULT Function (BCM - BUZZER)".
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS "Removal and Installation".
NO >> GO TO 2.
2.CHECK KEY SWITCH SIGNAL CIRCUIT
Check the key switch signal circuit. Refer to WCS "Diagnosis Procedure".
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS "Removal and Installation".
NO >> Check applicable parts, and repair or replace corresponding parts.
The light reminder warning does
not soundDescription Light reminder warning chime does not sound even though headlamps are illuminated. Diagnosis Procedure 1.CHECK COMBINATION SWITCH (LIGHTING SWITCH) OPERATION Check that the headlamp ...
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 ...
IDLE SPEED
Inspection
1.CHECK IDLE SPEED
With CONSULT
Check idle speed in "DATA MONITOR" mode with CONSULT.
Without CONSULT
Check idle speed by installing the pulse type tachometer clamp on the loop
wire or on suitable high-tension
wire which installed between No.1 ignition coil and No.1 spark plug.
...