B1212:00 [SAS]
id9902k0115100
Details On DTCs
| System malfunction location |
Communication error with driver-side buckle switch (not received or signal error received) |
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|---|---|---|
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Detection condition
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Determination condition
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•The SAS control module detects a communication error with the driver-side buckle switch (no response or malfunction received with driver-side buckle status).
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Precondition
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•Not applicable
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Determination period
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•Not applicable
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Fail-safe
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•Not applicable
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Vehicle status when DTCs are output
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•Not applicable
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Possible cause
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•The dash-electrical supply unit stores DTCs.
•Driver-side buckle switch malfunction
•Dash-electrical supply unit malfunction
•SAS control module malfunction
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System Wiring Diagram
•Not applicable
Function Explanation (DTC Detection Outline)
•Not applicable
Repeatability Verification Procedure
•Not applicable
Function Inspection Using M-MDS
•Not applicable
Troubleshooting Diagnostic Procedure
| Step |
Inspection |
Results |
Action |
|---|---|---|---|
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1
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PURPOSE: VERIFY DASH-ELECTRICAL SUPPLY UNIT DTCs
•Perform the DTC inspection for the dash-electrical supply unit. (See DTC INSPECTION.)
•Is a DTC displayed?
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Yes
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Repair or replace the malfunctioning location according to the applicable DTC troubleshooting.
(See DTC TABLE [DASH_ESU].)
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No
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Go to the next step.
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2
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PURPOSE: INSPECT DRIVER-SIDE BUCKLE SWITCH FOR MALFUNCTION
•Inspect the applicable part. (Refer to [BUCKLE SWITCH INSPECTION] in workshop manual.)
•Is the part normal?
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Yes
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Go to the next step.
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No
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Replace the driver-side buckle switch and perform repair completion verification 1.
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3
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PURPOSE: INSPECT DASH-ELECTRICAL SUPPLY UNIT FOR MALFUNCTION DEPENDING ON REPEATABILITY
•Install/connect the part removed/disconnected during the troubleshooting procedure.
•Clear the DTC recorded in the memory. (See CLEARING DTC.)
•Perform the DTC inspection for the SAS control module. (See DTC INSPECTION.)
•Is the same DTC displayed?
|
Yes
|
Refer to the CAN (controller area network) malfunction diagnosis flow to inspect for a CAN communication error.
If the CAN communication is normal, replace the dash-electrical supply unit and perform repair completion verification 1.
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No
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Perform repair completion verification 2.
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Repair completion verification 1
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PURPOSE: VERIFY IF VEHICLE IS REPAIRED
•Clear the DTC recorded in the memory. (See CLEARING DTC.)
•Perform the DTC inspection for the SAS control module. (See DTC INSPECTION.)
•Is the same DTC displayed?
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Yes
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Refer to the CAN (controller area network) malfunction diagnosis flow to inspect for a CAN communication error.
If the CAN communication is normal, perform the diagnosis from Step 1 again.
•If the malfunction is not resolved, replace the SAS control module, then go to the next step. (Refer to [SAS CONTROL MODULE REMOVAL/INSTALLATION] in workshop manual.)
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No
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Go to the next step.
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Repair completion verification 2
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PURPOSE: VERIFY IF OTHER DTCs ARE DISPLAYED
•Perform the DTC inspection. (See DTC INSPECTION.)
•Are other DTCs displayed?
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Yes
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Repair or replace the malfunctioning location according to the applicable DTC troubleshooting.
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No
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DTC troubleshooting completed.
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