DTC Logic
DTC DETECTION LOGIC
DTC | Display Item | Malfunction detected condition | Possible causes |
C1197 | VACUUM SENSOR | When a malfunction is detected in vacuum sensor. |
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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.
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.INTERVIEW CUSTOMER
Interview the customer to obtain as much information as possible about the
conditions and environment under
which the malfunction occurred.
>> GO TO 2.
2.SYMPTOM CHECK
Verify symptoms.
...
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 ...
Main power supply and ground circuit
Diagnosis Procedure
1.CHECK TCM POWER CIRCUIT (PART 1)
Turn ignition switch OFF.
Disconnect TCM connector.
Check voltage between TCM harness connector terminals and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> GO TO 4.
2.CHECK TCM ...