DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
PERFORM ACTIVE TEST USING INTELLIGENT TESTER (PBD BUZZER)
CHECK HARNESS AND CONNECTOR (POWER BACK DOOR WARNING BUZZER - POWER BACK DOOR UNIT ASSEMBLY AND BODY GROUND)
REPLACE POWER BACK DOOR WARNING BUZZER
PERFORM ACTIVE TEST USING INTELLIGENT TESTER (PBD BUZZER)
POWER BACK DOOR SYSTEM - Power Back Door Warning Buzzer Circuit
DESCRIPTION
The power back door unit assembly (power back door ECU) receives the power back door ON/OFF switch signal to sound the power back door warning buzzer.
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.PERFORM ACTIVE TEST USING INTELLIGENT TESTER (PBD BUZZER) |
Select the Active Test, use the intelligent tester to generate a control command, and check that the power back door warning buzzer sounds ().
Back Door| Tester Display | Test Part | Control Range | Diagnostic Note |
| PBD Buzzer | Operate warning buzzer | ON / OFF | - |
- OK:
- Power back door warning buzzer sounds normally.
| OK | |
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| PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE ()
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| 2.CHECK HARNESS AND CONNECTOR (POWER BACK DOOR WARNING BUZZER - POWER BACK DOOR UNIT ASSEMBLY AND BODY GROUND) |
Disconnect the K47 power back door warning buzzer connector.
Disconnect the L52 power back door unit assembly connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
| Tester Connection | Condition | Specified Condition |
| K47-1 (BZR+) - L52-26 (BZR+) | Always | Below 1 Ω |
| K47-2 (BZR-) - Body ground | Always | Below 1 Ω |
| K47-1 (BZR+) - Body ground | Always | 10 kΩ or higher |
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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| 3.REPLACE POWER BACK DOOR WARNING BUZZER |
Temporarily replace the power back door warning buzzer with a new or normally functioning one ().
| 4.PERFORM ACTIVE TEST USING INTELLIGENT TESTER (PBD BUZZER) |
Select the Active Test, use the intelligent tester to generate a control command, and check that the power back door warning buzzer sounds ().
Back Door| Tester Display | Test Part | Control Range | Diagnostic Note |
| PBD Buzzer | Operate warning buzzer | ON / OFF | - |
- OK:
- Power back door warning buzzer sounds normally.
| | REPLACE POWER BACK DOOR UNIT ASSEMBLY ()
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| OK | |
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| END (POWER BACK DOOR WARNING BUZZER IS DEFECTIVE) |
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