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SYMPTOM TROUBLESHOOTING [POWER WINDOW SYSTEMS (AUTO-OPEN/ CLOSE FUNCTION)] 09-03A–9 09-03A 6 VERIFY WHETHER MALFUNCTION IS IN • Is there continuity between the following power window switch terminals (wiring • 2C (sensor 1 signal) • 2B (sensor power supply) — Passenger’s side (at sub-switch) • J (sensor 1 signal) • B (sensor power supply) Yes Replace the wiring harness between the power window No Go to the next step. 7 VERIFY WHETHER MALFUNCTION IS IN • Turn the ignition switch to the ON position. • Inspect the voltage at the following power window switch terminals (sensor 2 signal): — Passenger’s side (at sub-switch) : H • Does the voltage alternate between 0 V and approx. 12 V when the door glass is moving Yes Replace the power window switch (malfunction in power No Go to the next step. 8 VERIFY SENSOR 2 OUTPUT SIGNAL • Turn the ignition switch to the ON position. • Inspect the voltage at power window motor terminal B (sensor 2 signal). • Does the voltage alternate between 0 V and approx. 12 V when door glass is moving up Yes Go to the next step. No Replace the power window motor, then go to Step 12. 9 VERIFY WHETHER MALFUNCTION IS IN • Turn the ignition switch to the LOCK position. • Disconnect the power window switch connector and power window motor • Is there continuity between the following power window switch terminals and power — Driver’s side (at main switch— power window motor): 2D and B — Passenger’s side (at sub-switch— power window motor): H and B Yes Go to the next step. No Repair the wiring harness between the power window 10 VERIFY WHETHER MALFUNCTION IS IN • Is there continuity between the following power window switch terminals (sensor 2 — Driver’s side (at main switch): 2D — Except driver’s side (at sub-switch) : H Yes Repair the wiring harness between the power window No Go to the next step. 11 VERIFY WHETHER MALFUNCTION IS IN • Turn the ignition switch to the ON position. • Measure the voltage at the following power window switch terminals (sensor 2 signal): — Driver’s side (at main switch): 2D — Except driver’s sideat (at sub-switch): H • Is the voltage approx. 12 V? Yes Repair the wiring harness between the power window No Replace the power window switch (open circuit or short to 12 REINSPECT MALFUNCTION SYMPTOM • Is malfunction no longer present? Yes • Troubleshooting completed. • Explain repairs to the customer. No Reinspect malfunction symptoms, then repeat from Step 1 if STEP INSPECTION ACTION 1871-1U-06B(09-03A).fm 9 ページ 2006年3月15日 水曜日 午前11時42分 |