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Home >> Mazda >> 2017 >> CX-5 Grand Select, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Symptom Troubleshooting - Power Liftgate Control Module >> Power Liftgate (PLG) Buzzer Not Activated [Power Liftgate (PLG) System] >> Diagnostic Procedure
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Diagnostic Procedure

POWER LIFTGATE (PLG) BUZZER NOT ACTIVATED (POWER LIFTGATE (PLG) SYSTEM) DIAGNOSTIC PROCEDURE

Step Inspection Action
1 VERIFY IF MALFUNCTION CAUSE IS SHORT TO GROUND IN WIRING HARNESS BETWEEN POWER LIFTGATE (PLG) CONTROL MODULE AND POWER LIFTGATE (PLG) BUZZER
  • Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  • Disconnect the power liftgate (PLG) control module connector.
  • Inspect the wiring harness for continuity between the following terminals (vehicle wiring harness side).
    • Power liftgate (PLG) control module terminal 1R and ground
  • Is there continuity?
 Yes
  • Repair or replace the wiring harness which is shorted to ground.
  • After performing the repair, go to Step 3.
No Go to the next step.
2 VERIFY IF MALFUNCTION CAUSE IS OPEN CIRCUIT IN WIRING HARNESS BETWEEN POWER LIFTGATE (PLG) CONTROL MODULE AND POWER LIFTGATE (PLG) BUZZER
  • Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  • Inspect the wiring harness for continuity between the following terminals (vehicle wiring harness side).
    • Power liftgate (PLG) control module terminal 1R and power liftgate (PLG) buzzer terminal B
  • Is there continuity?
 Yes Go to the next step.
No
  • Repair or replace the wiring harness which has an open circuit.
  • After performing the repair, go to the next step.
3 VERIFY IF MALFUNCTION CAUSE IS OPEN CIRCUIT IN WIRING HARNESS BETWEEN POWER LIFTGATE (PLG) BUZZER AND GROUND
  • Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  • Inspect the wiring harness for continuity between the following terminals (vehicle wiring harness side).
    • Power liftgate (PLG) buzzer terminal A and ground
  • Is there continuity?
 Yes Replace the power liftgate (PLG) buzzer, then go to the next step.
(See POWER LIFTGATE (PLG) BUZZER REMOVAL/INSTALLATION .)
No
  • Repair or replace the wiring harness which has an open circuit.
  • After performing the repair, go to the next step.
4 VERIFY IF MALFUNCTION IS RESOLVED
  • Is the power liftgate (PLG) buzzer activated?
 Yes Troubleshooting completed. (Explain the contents of the servicing to the customer.)
No If the malfunction has not been resolved, repeat the inspection from Step 1.
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