DTC Description
DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition |
| P1148 | CLOSED LOOP-B1 (CLOSED LOOP-B1) | The closed loop control function does not operate even when vehicle is being driven in the specified condition. |
POSSIBLE CAUSE
FAIL-SAFE
Not applicable
Diagnosis Procedure
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.
Refer to EC-93, "DTC Index".
P1078 EVT control position sensor
P117A air fuel ratioECU diagnosis information
AV CONTROL UNIT
Reference Value
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
PHYSICAL VALUES
DTC Index
BOSE SPEAKER AMP
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
AROUND VIEW MONITOR CONTROL UNIT
WITHOUT DRIVER ASSISTANCE SYSTEM
WITHOUT DRIV ...
B142A ignition voltage
Description
DTC B142A IGNITION VOLTAGE
Ignition voltage is supplied to the air bag diagnosis sensor unit when the
ignition is in the ON position. The air
bag diagnosis sensor unit will monitor for low or high ignition voltage.
PART LOCATION
Refer to SRC-6, "Component Parts Location" ...
VDC off indicator lamp
Component Function Check
1.CHECK VDC OFF INDICATOR LAMP FUNCTION (1)
Check that VDC OFF indicator lamp in combination meter turns ON for 1 second
after ignition switch is turned
ON.
CAUTION:
Never start the engine.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Proc ...