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POWER WINDOW SERIAL LINK PWC-331 < COMPONENT DIAGNOSIS > [LH&RH FRONT ANTI-PINCH-SEDAN] C D E F G H I J L M A B PWC N O P POWER WINDOW SERIAL LINK POWER WINDOW MAIN SWITCH INFOID:0000000004205196 Main power window and door lock/unlock switch, power window and door lock/unlock switch RH and BCM transmit and receive the signal by power window serial link. The signal mentioned below is transmitted from BCM to main power window and door lock/unlock switch and power window and door lock/unlock switch RH • Keyless power window down signal The signal mentioned below is transmitted from main power window and door lock/unlock switch to power win- dow and door lock/unlock switch RH • Front door window RH operation signal • Power window control by key cylinder switch signal • Power window lock switch signal • Retained power operation signal POWER WINDOW MAIN SWITCH : Component Function Check INFOID:0000000004205197 1. CHECK POWER WINDOW SWITCH OUTPUT SIGNAL Check (“CDL LOCK SW ”, “CDL UNLOCK SW”) in “DATA MONITOR” mode for “POWER DOOR LOCK SYS- TEM” with CONSULT-III. Refer to BCS-19, "DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)" . Is the inspection result normal? YES >> Power window serial link is OK. NO >> Refer to PWC-331, "POWER WINDOW MAIN SWITCH : Diagnosis Procedure" POWER WINDOW MAIN SWITCH : Diagnosis Procedure INFOID:0000000004205198 Power Window Serial Link Check 1. CHECK POWER WINDOW SWITCH OUTPUT SIGNAL 1. Remove Intelligent Key, and close front door LH and RH. 2. Check signal between BCM connector and ground with oscillo- scope when door lock and unlock switch (LH and RH) is turned to “LOCK” or “UNLOCK”. 3. Check that signals which are shown in the figure below can be detected during 10 second just after door lock and unlock switch (LH and RH) is turned to “LOCK” or “UNLOCK”. Monitor item Condition CDL LOCK SW LOCK : ON UNLOCK : OFF CDL UNLOCK SW LOCK : OFF UNLOCK : ON ALKIA0313ZZ |