Dtc Description
DTC DETECTION LOGIC
|
DTC No. |
CONSULT screen item (Trouble diagnosis content) |
DTC detection condition |
||
|---|---|---|---|---|
|
C1058-04 |
Control unit (Control unit) |
— |
Diagnosis condition |
|
|
Signal (terminal) |
— |
|||
|
Threshold |
When there is an internal malfunction in the ABS actuator and electric unit (control unit). |
|||
|
Diagnosis delay time |
2 second or less |
|||
POSSIBLE CAUSE
Note:
Confirm if DTC is PAST or CRNT. If DTC is CRNT, proceed with Diagnosis Procedure. If DTC is PAST, clear DTC. Do not replace the ABS actuator and electric unit (control unit) for a PAST DTC.
|
PAST DTC |
CRNT DTC |
|---|---|
|
|
FAIL-SAFE
The following functions are suspended:
VDC function
TCS function
ABS function
EBD function
Brake assist function
Hill start assist function
Confirmation Procedure
PRECONDITIONING
If “Confirmation Procedure” has been previously conducted, always place the ignition switch in the OFF position and wait at least 10 seconds before conducting the next test.
GO TO 2.
CHECK DTC DETECTION
CONSULT
Ignition switch OFF.
Note:
Wait at least 10 seconds after placing ignition switch in the OFF position.
Start the engine.
Note:
Wait at least 10 seconds after start the engine.
Select "Self Diagnostic Result" mode of "ABS".
Is DTC “C1058-04” detected?
YES >>“CRNT” is displayed: Refer to DTC Diagnosis Procedure.
YES >>“PAST” is displayed: Inspection End. (Erase "Self Diagnostic Result" mode of “ABS”.)
NO >>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO >>Confirmation after repair: Inspection End.
Dtc Diagnosis Procedure
ADJUST THE NEUTRAL POSITION OF STEERING ANGLE SENSOR
Perform neutral position adjustment of steering angle sensor. Refer to Work Procedure.
Perform “All DTC Reading”.
Is DTC detected?
YES >>Check the DTC.
NO >>GO TO 2.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY AND GROUND CIRCUIT
Check the ABS actuator and electric unit (control unit) power supply and ground circuit. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair / replace harness, connector, fuse, or fusible link.
PERFORM SELF DIAGNOSTIC RESULT
CONSULT
Select "Self Diagnostic Result" mode of "ABS".
Note:
Replace the ABS actuator and electric unit (control unit) even if other DTCs are displayed along with “C1058-04” in self-diagnosis for “ABS”.
Is DTC “C1058-04” detected?
YES >>Replace the ABS actuator and electric unit (control unit). Refer to Removal and Installation.
NO >>Inspection End.(Although motor built in the ABS actuator and electric unit (control unit) operates temporarily without a break, this is not a malfunction. Erase "Self Diagnostic Result" mode of “ABS”.)
Abs branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the abs actuator and electric unit
(control unit) for damage, bend
and loose connection (unit side and connector side).
...
System
Relay Control System
System Description
System Description
SYSTEM DIAGRAM
DESCRIPTION
The IPDM E/R activates the internal control circuit
to perform relay ON-OFF control according to the input signals from
various sensors and the request signals received from control units
...
How to Check
How To Check
If fuse is blown, be sure to eliminate cause of
malfunction before installing new fuse.
Use fuse of specified rating. Never use fuse of
more than specified rating.
Do not partially install fuse; always insert it
...