DTC B1447

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DTC B1447

B3E090201072W14

DTC B1447 | Wiper park sense circuit open
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DETECTION CONDITION | Open circuit in wiring harness between PJB and windshield wiper motor (autostop switch)
POSSIBLE CAUSE | • Open circuit in wiring harness between PJB terminal J-01 AI and windshield wiper motor terminal C • Windshield wiper motor malfunction • PJB malfunction

Diagnostic procedure

STEP | INSPECTION | ACTION
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1

INSPECT WINDSHIELD WIPER MOTOR CONNECTOR
• Turn the ignition switch off.
• Disconnect the windshield wiper motor connector.
• Inspect the windshield wiper motor 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 MOTOR SIGNAL CIRCUIT FOR OPEN CIRCUIT • Inspect for continuity between PJB terminal J-01 AI (wiring harness-side) and windshield wiper motor terminal C (wiring harness-side). • Is there continuity? | Yes | Go to the next step.
No | Repair or replace the wiring harness for a possible open circuit, then go to Step 5.
4 | INSPECT WINDSHIELD WIPER MOTOR • Inspect the windshield wiper motor. (See WINDSHIELD WIPER MOTOR INSPECTION.) • Is there any malfunction? | Yes | Replace the windshield wiper motor, then go to the next step. (See FRONT DOOR LATCH AND LOCK ACTUATOR 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.