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.
Preparation
Special Service Tools
The actual shapes of TechMate tools may differ from those of special service
tools illustrated here.
Tool number
(TechMate No.)
Tool name
Description
1. KV311039S0
( — )
Charging pipe set
2. KV31103920*
( — )
O-ring
CVT ...
Inside mirror
Exploded View
MANUAL ANTI-DAZZLING
Windshield glass
Mirror base
Inside mirror
AUTO ANTI-DAZZLING
Windshield glass
Mirror base
Inside mirror
Inside mirror finisher
Harness connector
Bolt
Removal and Installation
MANUAL ANTI-DAZZLING
Removal ...
Unbalance steering wheel turning force and return between
right and left
Description
Unbalance steering wheel turning force and return between right and left.
Diagnosis Procedure
1.CHECK THE ILLUMINATION OF THE EPS WARNING LAMP
Check the EPS warning lamp while engine is running.
Does the EPS warning lamp turn OFF?
YES >> GO TO 2.
NO >> Refer to STC ...