DTC Logic
Dtc detection logic
Dtc | Display item | Malfunction detected condition | Possible cause |
C1155 | C1155 br fluid level low | Brake fluid level is low or communication line between the abs actuator and electric unit (control unit) and brake fluid level switch is open or shorted. |
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Dtc confirmation procedure
1.Check self-diagnosis results
Check the self-diagnosis results.
Self-diagnosis results
Br fluid level low
Is above displayed on the self-diagnosis display? Yes >> proceed to diagnosis procedure. Refer to brc-83, "diagnosis procedure".
No >> inspection end.
Diagnosis Procedure
Regarding wiring diagram information, refer to brc-44, "wiring diagram".
Note:
Check brake fluid level in brake reservoir tank before starting inspection.
1.Connector inspection
Turn ignition switch off.
Disconnect combination meter and brake fluid level switch connectors.
Check connectors and terminals for deformation, disconnection, looseness or damage.
Is the inspection result normal? Yes >> go to 2.
No >> repair or replace as necessary.
2.Check brake fluid level switch
Perform the brake fluid level switch component inspection. Refer to brc-84, "component inspection".
Is the inspection result normal? Yes >> go to 3.
No >> replace brake fluid level switch. Refer to br-32, "exploded view".
3.Check brake fluid level switch harness
Check continuity between combination meter connector m24 terminal 11 and brake fluid level switch connector e40 terminal 1.
Check continuity between combination meter connector and ground.
Is the inspection result normal? Yes >> go to 4.
No >> repair or replace malfunctioning components.
4.Check brake fluid level switch ground circuit
Check continuity between brake fluid level switch connector e40 terminal 2 and ground.
Is the inspection result normal? Yes >> replace combination meter. Refer to mwi-77, "removal and installation" no >> repair or replace malfunctioning components.
Component Inspection
1.Check brake fluid level switch
Turn ignition switch off.
Disconnect brake fluid level switch connector.
Check continuity between brake fluid level switch terminals 1 and 2.
Is the inspection result normal? Yes >> inspection end.
No >> replace brake fluid level switch. Refer to br-32, "exploded view".
Unbalance steering wheel turning force (torque variation)
Description
Unbalance steering wheel turning force (torque variation).
Diagnosis Procedure
1.PERFORM SELF-DIAGNOSIS
With CONSULT
Turn the ignition switch OFF to ON.
Perform EPS self-diagnosis.
Is any DTC detected?
YES >> Check the DTC. Refer to STC-14, "DTC Index&quo ...
DTC/Circuit diagnosis
POSITION SWITCH
BACK-UP LAMP SWITCH
BACK-UP LAMP SWITCH : Component Inspection
1.CHECK BACK-UP LAMP SWITCH
Disconnect position switch harness connector. Refer to TM-21, "Removal
and Installation".
Check continuity between position switch terminals.
Is the inspection ...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
DETAILED FLOW
1.LISTEN TO CUSTOMER COMPLAINT
Listen to customer complaint. Get detailed information about the conditions
and environment when the symptom
occurs.
>> GO TO 2.
2.VERIFY THE SYMPTOM WITH OPERATIONAL CHECK
Verify the symptom with ...