DTC Description
DTC DETECTION LOGIC
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition |
P0031 | A/F SEN1 HTR (B1) [Air fuel ratio (A/F) sensor 1 heater (bank 1)control circuit low] | The current amperage in the A/F sensor 1 heater circuit is out of
the normal
range.
(An excessively low voltage signal is sent to ECM through the A/F sensor 1 heater.) |
P0032 | A/F SEN1 HTR (B1) [Air fuel ratio (A/F) sensor 1 heater (bank 1)control circuit high] | The current amperage in the A/F sensor 1 heater circuit is out of
the normal
range.
(An excessively high voltage signal is sent to ECM through the A/F sensor 1 heater.) |
POSSIBLE CAUSE
DTC P0031
DTC P0032
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
TESTING CONDITION: Before performing the following procedure, confirm that battery voltage is more than between 11 V at idle. >> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
Is 1st trip DTC detected? YES >> Proceed to EC-185, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY CIRCUIT
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace error-detected parts.
2.CHECK A/F SENSOR 1 HEATER OUTPUT SIGNAL CIRCUIT
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
3.CHECK A/F SENSOR 1 HEATER Check the A/F sensor 1 heater. Refer to EC-186, "Component Inspection".
Is the inspection result normal? YES >> GO TO 5.
NO >> GO TO 4.
4.REPLACE AIR FUEL RATIO (A/F) SENSOR 1
Replace malfunctioning air fuel ratio (A/F) sensor 1. Refer to EM-29, "Exploded View".
CAUTION:
>> INSPECTION END
5.CHECK INTERMITTENT INCIDENT
Refer to GI-41, "Intermittent Incident".
>> INSPECTION END
Component Inspection
1.CHECK AIR FUEL RATIO (A/F) SENSOR 1
Is the inspection result normal? YES >> INSPECTION END
NO >> GO TO 2.
2.REPLACE AIR FUEL RATIO (A/F) SENSOR 1
Replace air fuel ratio (A/F) sensor 1. Refer to EM-29, "Exploded View".
CAUTION:
>> INSPECTION END
Vehicle recovery (freeing a stuck vehicle)
FRONT
Securely install the vehicle recovery hook stored with jacking tools.
Check that the hook is properly secured in the stored place after use.
WARNING:
Stand clear of a stuck vehicle.
Never spin your tires at high speed. This could cause them to
explode and result in ser ...
Key switch signal circuit (without intelligent key)
Description
Transmits a key switch signal to the BCM.
Component Function Check
1. CHECK BCM INPUT SIGNAL
Select "Data Monitor" for "BCM" and check the "KEY ON SW" monitor value.
Is the inspection result normal?
YES >> Inspection End.
NO >> Refer ...
B0010, B0011 passenger airbag module
DTC Logic
DTC DETECTION LOGIC
CONSULT name
DTC
DTC detecting condition
Repair order
ASSIST AIRBAG MODULE CIRCUIT
[OPEN]
B0010
Front passenger air bag module circuit
(AS1) is open.
Refer to SRC-49, "Diagnosis Procedure".
ASS ...