DTC Logic
DTC DETECTION LOGIC
| DTC | Display Item | Malfunction detected condition | Possible causes |
| C119A | VACUUM SEN VOLT | When a malfunction is detected in supply power voltage of vacuum sensor. |
|
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULT
With CONSULT.
Is DTC C119A detected? YES >> Proceed to diagnosis procedure. Refer to BRC-111, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to BRC-57, "Wiring Diagram".
1.CHECK VACUUM SENSOR POWER SUPPLY

CAUTION: Never start engine.

Is the inspection result normal? YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK VACUUM SENSOR POWER SUPPLY CIRCUIT


Is the inspection result normal? YES >> Perform diagnosis of ABS actuator and electric unit (control unit) power supply and ground circuit.
Refer to BRC-111, "Diagnosis Procedure".
NO >> Repair or replace malfunctioning components.
3.CHECK VACUUM SENSOR GROUND CIRCUIT

Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace malfunctioning components.
4.CHECK TERMINAL
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.
C1199 brake booster
U1000 CAN COMM CIRCUITP1568 signal invalid
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P1568
ICC COMMAND VALUE
(Intelligent cruise control command value)
ECM detects that a throttle valve opening angle request signal sent
from
...
DTC/circuit diagnosis
U1000 CAN COMM CIRCUIT
WITH INTELLIGENT KEY
WITH INTELLIGENT KEY : Description
Refer to LAN-8, "System Description".
WITH INTELLIGENT KEY : DTC Logic
DTC DETECTION LOGIC
NOTE:
U1000 can be set if a module harness was disconnected and reconnected, perhaps
during a repair. Confirm
...
P0643 sensor power supply
Description
ECM supplies a voltage of 5 V to some of the sensors systematically divided
into 2 groups, respectively.
Accordingly, when a short circuit develops in a sensor power source, a
malfunction may occur simultaneously
in the sensors belonging to the same group as the short-circuited ...