Inspection Procedure

CHECK POWER DOOR LOCK OPERATION
NG: GO TO POWER DOOR LOCK CONTROL SYSTEM (See INSPECTION )

OK: Go to next step.
CHECK DTC
Data list (for MANUAL UP/DOWN switch)
1. Using the hand-held tester, check that DTC B1221 is output when the switch is operated.
HINT: Using DTC "B1221" which is a code when any of the master switch is constantly turned on, the MANUAL UP/DOWN switch operation can be monitored. If there is an output of DTC "B1221" when the switch is operated, the switch circuit can be considered normal.

Standard [Driver side J/B (body ECU) (Switch condition)]:

Fig 1: Driver Side J/B (Body ECU) Switch Condition Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSY

OK: Go to next step.
CONFIRM REMOTE CONTROL POWER WINDOW BY MASTER SWITCH OPERATION
HINT:
- When the rear door does not operate by master switch, proceed to "A".
- When the passenger's door does not operate by master switch, proceed to "B".
B: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR MPX2 (D17-8) <=> MPX2 (F13-8) WIRE HARNESS

A: Go to next step.
CHECK CONTINUITY OF COMMUNICATION LINE
1. Disconnect the B5 and B6 connectors of the driver side J/B.
2. Disconnect the R15 power window regulator switch assy rear (LH side) connector.
3. Disconnect the R16 power window regulator switch assy rear (RH side) connector.
  
  Fig 2: Identifying Power Window Regulator Switch Assy Rear Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Check the continuity of each terminal of the disconnected connectors.
Standard (Rear door LH):

Fig 3: Checking Continuity Between Communication Line Specifications Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard (Rear door RH):

Fig 4: Checking Continuity Of Each Terminal Chart (Rear Door RH)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:
- When the rear door LH does not inspect the continuity, proceed to "NG-A".
- When the rear door RH does not inspect the continuity, proceed to "NG-B".
NG-A: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR MPX4 (B6-5) <=> MPX1 (R15-8) WIRE HARNESS

NG-B: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR MPX5 (B5-1) <=> MPX1 (R16-8) WIRE HARNESS

OK: REPLACE DRIVER SIDE JUNCTION BLOCK ASSY