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 sensorDiagnosis and repair workflow
Work Flow
OVERALL SEQUENCE
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 occurred.
>> GO TO 2.
2. CONFIRM THE SYMPTOM
Check the malfunction on the ...
Diagnosis system (IPDM E/R)
CONSULT Function (IPDM E/R)
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with IPDM E/R.
Direct Diagnostic Mode
Description
Ecu Identification
The IPDM E/R part number is displayed.
Self Diagnostic Result
The IPDM E/R sel ...
C1734 BCM
DTC Logic
NOTE:
The Signal Tech II Tool [- (J-50190)] can be used to perform the following
functions. Refer to the Signal Tech II
User Guide for additional information.
Activate and display TPMS sensor IDs
Display tire pressure reported by the TPMS sensor
Read TPMS DTC ...