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B1871




DTC B1871

System Malfunction Location

B1871:





Detection Condition

WARNING:
- Detection conditions are for understanding the DTC outline before performing an inspection. Performing an inspection according to only the detection conditions may cause injury due to an operating error, or damage the system. When performing an inspection, always follow the inspection procedure.

- Malfunction in wiring harness between PAD switch and SAS control module
- Malfunction in PAD switch circuit

Possible Causes

- PAD switch connector malfunction
- PAD switch assembly incorrect
- Open or short circuit in wiring harness between PAD switch and SAS control module
- Open circuit in wiring harness between PAD switch and body ground
- SAS control module malfunction

System Wiring Diagram





Diagnostic Procedure

Step 1-Step 2:





Step 3:





Step 4-Step 5: