DTC Logic
DTC DETECTION LOGIC
DTC | Display Item | Malfunction detected condition | Possible causes |
C1109 | BATTERY VOLTAGE [ABNORMAL] |
|
|
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULT
With CONSULT.
Is DTC C1109 detected? YES >> Proceed to diagnosis procedure. Refer to BRC-80, "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 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) IGNITION POWER SUPPLY CIRCUIT
Check voltage between ABS actuator and electric unit (control unit) connector E125 terminal 28 and ground.
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace malfunctioning components.
3.CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) BATTERY POWER SUPPLY CIRCUIT
Check voltage between ABS actuator and electric unit (control unit) connector E125 terminals 1, 25 and ground.
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace malfunctioning components.
4.CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) GROUND CIRCUIT
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.
ECU diagnosis information
EPS CONTROL UNIT
Reference Value
VALUES ON THE DIAGNOSIS TOOL
CAUTION:
The output signal indicates the EPS control unit calculation data. The normal
values will be displayed
even in the event that the output circuit (harness) is open.
NOTE:
The following table includes information (items) ...
Preparation
Special Service Tool
The actual shape of the tools may differ from those illustrated here.
Tool number
(TechMate No.)
Tool name
Description
—
(J-46534)
Trim Tool Set
Removing trim components
Commercial Service Tools
(TechMate No ...
Basic inspection
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow
DETAILED FLOW
1.OBTAIN INFORMATION ABOUT SYMPTOM
Interview the customer to obtain as much information as possible about the
conditions and environment under
which the malfunction occurs.
>> GO TO 2.
2.CHECK SYMPTOM
Check the symptom ...