DTC Logic
DTC DETECTION LOGIC
| DTC | Display Item | Malfunction detected condition | Possible causes |
| C1143 | ST ANG SEN CIRCUIT | When a malfunction is detected in steering angle sensor. |
|
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULT
With CONSULT.
Is DTC C1143 detected? YES >> Proceed to diagnosis procedure. Refer to BRC-96, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to BRC-57, "Wiring Diagram".
1.CONNECTOR INSPECTION
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace as necessary.
2.CHECK STEERING ANGLE SENSOR MOUNTING CONDITION
Check steering angle sensor mounting condition.
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace malfunctioning components.
3.CHECK STEERING ANGLE SENSOR POWER SUPPLY

Is the inspection result normal? YES >> GO TO 5.
NO >> GO TO 4.
4.CHECK STEERING ANGLE SENSOR POWER SUPPLY CIRCUIT


Is the inspection result normal? YES >> Perform trouble diagnosis for ignition power supply.
NO >> Repair or replace malfunctioning components.
5.CHECK STEERING ANGLE SENSOR GROUND CIRCUIT

Is the inspection result normal? YES >> GO TO 6.
NO >> Repair or replace malfunctioning components.
6.CHECK CAN COMMUNICATION LINE
Check “STRG BRANCH LINE CIRCUIT”. Refer to LAN-90, "Diagnosis Procedure" (Type 1) or LAN-111, "Diagnosis Procedure" (Type 2).
Is the inspection result normal? YES >> Replace ABS actuator and electric unit (control unit). Refer to BRC-136, "Removal and Installation".
NO >> Repair or replace malfunctioning components.
C1142 press sensor
C1144 incomplete steering angle sensor adjustmentP0112, P0113 IAT sensor
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P0112
IAT SEN/CIRCUIT- B1
(Intake air temperature sensor 1 circuit low
bank 1)
An excessively low voltage from the intake air temperature sensor ...
CVT position
Inspection
Turn ON the ignition switch with the shift selector at the “P” position.
Press the shift selector button with the brake pedal depressed,
and confirm that the shift selector can be
moved to positions other than “P”. Also confirm that movement is not allowed
from ...
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 ...