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.
System description
COMPONENT PARTS
Component Parts Location
No.
Component
Function
1
Combination meter
Combination meter transmits the vehicle speed signal to BCM via CAN
communication.
BCM also receives the vehicle speed signal from ABS actuator and
electric
...
Wiring diagram
BRAKE CONTROL SYSTEM
Wiring Diagram
...
Symptom diagnosis
MULTI AV SYSTEM
Symptom Table
RELATED TO AUDIO
Symptoms
Check items
Probable malfunction location
The disk cannot be removed.
AV control unit
Malfunction in AV control unit.
Refer to AV-91, "On Board Diagnosis Function".
No sound comes ...