DTC Logic
DTC DETECTION LOGIC
| DTC | Display Item | Malfunction detected condition | Possible causes |
| C1197 | VACUUM SENSOR | When a malfunction is detected in vacuum sensor. |
|
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULT
With CONSULT.
Is DTC C1197 detected? YES >> Proceed to diagnosis procedure. Refer to BRC-105, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to BRC-57, "Wiring Diagram".
1.CHECK BRAKE BOOSTER
Is the inspection result normal? YES >> GO TO 2.
NO >> Replace brake booster. Refer to BR-30, "Removal and installation".
2.CHECK VACUUM PIPING
Check vacuum piping. Refer to BR-32, "Exploded View".
Is the inspection result normal? YES >> GO TO 3.
NO >> Replace vacuum piping. Refer to BR-32, "Removal and Installation".
3.CHECK VACUUM SENSOR 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 >> GO TO 5.
NO >> Repair or replace malfunctioning components.
5.REPLACE VACUUM SENSOR
With CONSULT
CAUTION: Always replace brake booster because vacuum sensor cannot be disassembled.
Is DTC “C1197” detected? YES >> Replace ABS actuator and electric unit (control unit). Refer to BRC-136, "Removal and Installation".
NO >> Inspection End.
C1170 variant coding
C1198 vacuum sensorCAN system (type 7)
MAIN LINE BETWEEN IPDM-E AND DLC CIRCUIT
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and
loose connection (connector side
an ...
Trouble diagnosis - specification value
Description
The specification (SP) value indicates the tolerance of the value that is
displayed in “SPEC” of “DATA MONITOR”
mode of CONSULT during normal operation of the Engine Control System. When the
value in “SPEC” of
“DATA MONITOR” mode is within the SP value, the Engine ...
Basic inspection
SERVICE INFORMATION FOR ELECTRICAL INCIDENT
Work flow
STEP
DESCRIPTION
STEP 1
Get detailed information about the conditions and the
environment when the incident occurred.
The following are key pieces of information required to make a good
analysis:
WH ...