DTC B2180

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DTC B2180

B3E090201072W33

DTC B2180 | Front wiper switch (slow) circuit short to ground
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DETECTION CONDITION | Short to GND in wiring harness between PJB and windshield wiper and washer switch (low)
POSSIBLE CAUSE | • Short to GND in wiring harness between PJB terminal J-04 G and windshield wiper and washer switch terminal I • Windshield wiper and washer switch malfunction • PJB malfunction

Diagnostic procedure

STEP | INSPECTION | ACTION
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1

INSPECT WINDSHIELD WIPER AND WASHER SWITCH CONNECTOR
• Disconnect the windshield wiper and washer switch connector.
• Inspect the windshield wiper and washer switch connector terminals for poor connection (such as damaged/pulled-out pins, and corrosion).
• Is there any malfunction?

Yes

Repair or replace the terminal, then go to Step 5.

No | Go to the next step.
2 | INSPECT PJB CONNECTOR • Disconnect the PJB connector. • Inspect the PJB connector terminals for poor connection (such as damaged/pulled-out pins, and corrosion). • Is there any malfunction? | Yes | Repair or replace the terminal, then go to Step 5.
No | Go to the next step.
3 | INSPECT WINDSHIELD WIPER AND WASHER SWITCH SIGNAL CIRCUIT FOR SHORT TO GND • Inspect for continuity between PJB terminal J-04 G (wiring harness-side) and body GND. • Is there continuity? | Yes | Repair or replace the wiring harness for a possible short to GND, then go to Step 5.
No | Go to the next step.
4 | INSPECT WINDSHIELD WIPER AND WASHER SWITCH • Inspect the windshield wiper and washer switch. (See WINDSHIELD WIPER AND WASHER SWITCH INSPECTION.) • Is there any malfunction? | Yes | Replace the windshield wiper and washer switch, then go to the next step. (See WIPER AND WASHER SWITCH REMOVAL/INSTALLATION.)
No | Go to the next step.

5

VERIFY TROUBLESHOOTING COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear the DTC from the PJB memory using the WDS or equivalent.
• Perform the self-test.
(See PJB SELF-TEST.)
• Is the same DTC present?

Yes

Replace the PJB.
(See PASSENGER JUNCTION BOX (PJB) REMOVAL/INSTALLATION.)

No | DTC troubleshooting completed.