Description
DTC B1017, B1018, B1020, B1021, B1022, B1025, B1032, B1048 OCCUPANT CLASSIFICATION SYSTEM (OCS)
The OCS control unit is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor unit will monitor the OCS for failures and interruptions in communication between the OCS control unit and the air bag diagnosis sensor unit.
PART LOCATION
Refer to SRC-6, "Component Parts Location".
DTC Logic
DTC DETECTION LOGIC
With CONSULT
CONSULT name |
DTC |
DTC detecting condition |
Repair order |
OCCUPANT DETECTION SENSOR UNIT [UNIT FAIL] | B00A0 | The OCS control unit is malfunctioning. | Refer to SRC-87, "Diagnosis Procedure". |
OCCUPANT DETECTION SENSOR UNIT [NO DATA] | |||
OCCUPANT DETECTION SENSOR UNIT [UNDEFINED] | |||
OCCUPANT DETECTION SENSOR UNIT [RESET FAIL | |||
OCCUPANT DETECTION SENSOR [UNIT FAIL] | The OCS sensor is malfunctioning. | ||
OCCUPANT DETECTION SENSOR [POWER FAIL] | The OCS sensor circuit is malfunctioning. | ||
OCCUPANT DETECTION SENSOR UNIT [COMM FAIL] | Communication between the OCS control unit and the air bag diagnosis sensor unit is interrupted. |
DTC CONFIRMATION PROCEDURE (With CONSULT)
1.CHECK SELF-DIAG RESULT
Is the DTC detected? YES (Current DTC)>>Refer to SRC-87, "Diagnosis Procedure".
YES (Past DTC)>>GO TO 2.
NO >> Inspection End.
2.ERASE SELF-DIAG RESULT
Erase the DTC using CONSULT.
Can the DTC be erased? YES >> Inspection End.
NO >> Refer to SRC-87, "Diagnosis Procedure".
DTC CONFIRMATION PROCEDURE (Without CONSULT)
1.CHECK SELF-DIAG RESULT
NOTE: SRS will not enter diagnosis mode if no malfunction is detected in user mode. Is the DTC detected? YES >> Refer to SRC-87, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
Recheck SRS after each corrective action.
1.HARNESS CONNECTOR
Visually inspect all applicable harness connectors for the following:
NOTE: All harness connectors should be inspected from the air bag diagnosis unit to the end component (including any in-line connectors). Is the inspection result normal? YES >> GO TO 2.
NO >> Perform one of the following repairs:
2.CONFIRM DTC
Is DTC still current? YES >> GO TO 3.
NO >> Refer to GI-41, "Intermittent Incident"
3.WIRING HARNESS
Check the wiring harness for visible damage.
NOTE: The entire wiring harness should be inspected from the air bag diagnosis sensor unit to the end component (including any in-line connectors). Is the inspection result normal? YES >> GO TO 4.
NO >> Replace the harness.
4.CONFIRM DTC
Is DTC still current? YES >> GO TO 5.
NO >> Refer to GI-41, "Intermittent Incident".
5.REPLACE OCCUPANT DETECTION SYSTEM CONTROL UNIT
Is DTC still current? YES >> GO TO 6.
NO >> Clear DTC. Inspection End.
6.AIR BAG DIAGNOSIS SENSOR UNIT
Is DTC still current? YES >> GO TO 7.
NO >> Clear DTC. Inspection End.
7.RELATED HARNESS
Replace the related harness.
>> END
Unexpected brake pedal reaction
Description
A malfunction of brake pedal feel (height or others) is detected when brake
pedal is depressed.
Diagnosis Procedure
1.CHECK FRONT AND REAR AXLE
Check that there is no excessive looseness in front and rear axle.
2WD: Refer to FAX-7, "Inspection" (front) or RAX-6, ...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.GET INFORMATION FOR SYMPTOM
Get detailed information from the customer about the symptom (the condition
and the environment when the
incident/malfunction occurred).
>> GO TO 2.
2.CONFIRM THE SYMPTOM
Try t ...
Seat belt warning system
Seat Belt Warning System Does Not Function
1.SEAT BELT WARNING LIGHT
Turn ignition switch ON.
Does the seat belt warning lamp come ON?
YES >> GO TO 2.
NO >>
Check 10A fuse [No. 13, located in the fuse block (J/B)].
Check seat belt buckle switch (driver seat).
...