DTC Description
DTC DETECTION LOGIC
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition |
P0037 | HO2S2 HTR (B1) (HO2S heater control circuit low bank 1 sensor 2) | The current amperage in the heated oxygen sensor 2 heater circuit is
out
of the normal range.
(An excessively low voltage signal is sent to ECM through the heated oxygen sensor 2 heater.) |
P0038 | HO2S2 HTR (B1) (HO2S heater control circuit high bank 1 sensor 2) | The current amperage in the heated oxygen sensor 2 heater circuit is
out
of the normal range.
(An excessively high voltage signal is sent to ECM through the heated oxygen sensor 2 heater.) |
POSSIBLE CAUSE
DTC P0037
TC P0038
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 11 V at idle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
With GST
Follow the procedure “With CONSULT” above.
Is 1st trip DTC detected? YES >> Proceed to EC-188, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK HO2S2 POWER SUPPLY CIR
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace error-detected parts.
2.CHECK HO2S2 OUTPUT SIGNAL CIRCUIT
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace error-detected parts.
3.CHECK HEATED OXYGEN SENSOR 2 HEATER
Check the heated oxygen sensor 2 heater. Refer to EC-189, "Component Inspection".
Is the inspection result normal? YES >> GO TO 5.
NO >> GO TO 4.
4.REPLACE HEATED OXYGEN SENSOR 2
Replace heated oxygen sensor 2. Refer to EX-5, "Exploded View".
CAUTION:
>> INSPECTION END
5.CHECK INTERMITTENT INCIDENT
Refer to GI-41, "Intermittent Incident".
>> INSPECTION END
Component Inspection
1.CHECK HEATED OXYGEN SENSOR 2 HEATER
Is the inspection result normal? YES >> INSPECTION END
NO >> GO TO 2.
2.REPLACE HEATED OXYGEN SENSOR 2
Replace heated oxygen sensor 2. Refer to EX-5, "Exploded View".
CAUTION:
>> INSPECTION END
C1765, C1766, C1767, C1768 tire pressure sensor
DTC Description
DTC DETECTION LOGIC
DTC
Display Item
Malfunction Detected Condition
Possible Cause
C1765
WHEEL TOP DATA FL
(Wheel top data front left)
Malfunction in the wheel top data from the front LH
wheel speed sensor.
Wheel speed sensor
C1766
...
Pathway lighting
Principle
For the illumination of the vehicle's surroundings
after exiting the vehicle, the exterior lighting can
be switched on for a defined period of time.
Switching pathway lighting on
After switching off the drive-ready state, briefly
push the turn signal lever forward.
Setting the duration
1. ...
B1431 seat belt pre-tensioner
DTC Logic
DTC DETECTION LOGIC
CONSULT name
DTC
DTC detecting condition
Repair order
FRONT PRE-TEN RH CIRCUIT
[OPEN]
B1431
RH seat belt pre-tensioner circuit is open.
Refer to SRC-61, "Diagnosis Procedure"
FRONT PRE-TEN RH CIRC ...