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Home >> Mazda >> 2019 >> CX-9 Signature >> Repair and Diagnosis >> Body & Frame >> Windows >> Symptom Troubleshooting - Power Window System >> Door Glass Other Than Driver's Door Cannot Be Operated (Cannot Be Operated Using Each Sub-Switch But Can Be Operated Using Power Window Main Switch) >> Diagnostic Procedure

Diagnostic Procedure

DOOR GLASS OTHER THAN DRIVER'S DOOR CANNOT BE OPERATED DIAGNOSTIC PROCEDURE

Step Inspection   Action
1 VERIFY IF MALFUNCTION CAUSE IS OPERATION UNDER OPERATION PERMISSION CONDITION
  • Turn the power-cut switch off (contact point: closed) and perform open/close operation.
  • Does the power window system operate normally?
 Yes System is normal. (Tell the customer about the power-cut switch.)
No Go to the next step.
2 POWER WINDOW SUB-SWITCH CONNECTOR INSPECTION
  • Switch the ignition off.
  • Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  • Disconnect the power window sub-switch connector.
  • Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.
  • Is the connector normal?
 Yes Go to the next step.
No Repair or replace the connector, then go to Step 4.
3 VERIFY IF MALFUNCTION CAUSE IS POWER WINDOW SUB-SWITCH POWER SUPPLY CIRCUIT
  • Connect the power window sub-switch connector.
  • Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  • Measure the voltage at power window sub-switch terminal C (vehicle wiring harness side).
  • Is the voltage B+?
 Yes Replace the power window sub-switch, then go to the next step.
(See POWER WINDOW SUB-SWITCH REMOVAL/INSTALLATION .)
No
  • Refer to the wiring diagram and verify if there is a common connector between IG1 relay terminal C and power window sub-switch terminal C.

If there is a common connector:
  • Inspect the common connector and terminals for corrosion, damage, or disconnection and the common wiring harnesses for open or short circuit to determine the malfunctioning location.
    • Repair or replace the malfunctioning location.

If there is no common connector:
  • Repair or replace the wiring harness which has an open or short circuit.

Go to the next step.
4 VERIFY IF MALFUNCTION CAUSE IS CORRECTED
  • Does the power window system operate normally?
 Yes Troubleshooting completed. (Explain the problem to the customer.)
No Verify the malfunction symptom in the symptom troubleshooting chart and perform the other applicable malfunction diagnosis.
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