DTC Logic
DTC DETECTION LOGIC
| DTC | Display Item | Malfunction detected condition | Possible causes |
| C1198 | VACUUM SEN CIR |
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DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULT
With CONSULT.
Is DTC C1198 detected? YES >> Proceed to diagnosis procedure. Refer to BRC-107, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to BRC-57, "Wiring Diagram".
1.CHECK VACUUM SENSOR CIRCUIT


Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace malfunctioning components.
2.CHECK TERMINAL
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace malfunctioning components.
3.REPLACE VACUUM SENSOR
With CONSULT
CAUTION: Always replace brake booster because vacuum sensor cannot be disassembled.
Is DTC “C1198” detected? YES >> Replace ABS actuator and electric unit (control unit). Refer to BRC-136, "Removal and Installation".
NO >> Inspection End.
C1197 vacuum sensor
C1199 brake boosterWind deflector
Removal and Installation
REMOVAL
Remove headlining Refer to INT-30, "Removal and Installation".
Open the glass lid to view the wind deflector.
Use suitable tool (A) release pawl on LH/RH side of wind deflector.
: Pawl
Release wind deflector retainer (1) ...
P062F EEPROM
Description
TCM compares the calculated value stored in the flash ROM with the value
stored in TCM. If the calculated
value does not agree with the stored value, TCM judges this as a malfunction.
DTC Description
TCM compares the calculated value stored in the flash ROM with the value
stored ...
Idle air volume learning
Description
Idle Air Volume Learning is a function of ECM to learn the idle air volume
that keeps each engine idle speed
within the specific range. It must be performed under any of the following
conditions:
Each time electric throttle control actuator or ECM is replaced.
Idle spee ...