
05-1741
DIAGNOSTICS - BACK DOOR CLOSER SYSTEM 05C05-01
DTC B2215 BACK DOOR CLOSER SWITCH
MALFUNCTION
CIRCUIT DESCRIPTION
This DTC is output when a malfunction occurs in the position switch in the back door. This position switch
detects if the back door is in the latch position and sends a position signal to the power back door ECU.
DTC No. DTC Detection Condition Trouble Area
S Back door lock assy
B2215 Back door does not operate S Power back door ECU
S Wire harness
WIRING DIAGRAM
B10
Back Door Lock Assy Power Back Door ECU
4 21
6 V V
BG3 P13 POS
4 W-B
A
J41
J/C
BN
B68907
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1924
05-1742
DIAGNOSTICS - BACK DOOR CLOSER SYSTEM
INSPECTION PROCEDURE
1 CHECK WIRE HARNESS (BACK DOOR LOCK ASSY - POWER BACK DOOR ECU)
Wire Harness Side (a) Disconnect the B10 lock and P13 ECU connectors.
B10 (b) Check the resistance between the wire harness side con-
Back Door Lock Assy nectors.
Standard (Check for open circuit):
Terminal No. Specified Condition
B10-6 - P13-21 (POS) Below 1
(c) Check the resistance between the B10 lock connector
and body ground.
Standard (Check for open circuit):
Terminal No. Specified Condition
P13 B10-4 - Body ground Below 1
Power Back Door ECU
B68432
NG REPAIR OR REPLACE HARNESS AND
CONNECTOR
OK
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1925
05-1743
DIAGNOSTICS - BACK DOOR CLOSER SYSTEM
2 INSPECT BACK DOOR LOCK ASSY
(a) Check operation of the door lock.
(1) Using a screwdriver, push the latch in order to put
the back door lock in the locked condition (full-latch
position).
(2) Connect the battery positive (+) lead to terminal 1
and the battery negative (-) lead to terminal 2.
Then, check operation of the latch.
Standard: The latch turns to the open-latch position
(3) Inspect motor operation when battery voltage is ap-
plied to the terminals.
Standard:
Measurement Condition Specified Condition
Battery positive (+) Terminal 2
Clockwise Motor in normal rotation
Full-latch Battery negative (-) Terminal 1
Battery positive (+) Terminal 1
Counterclockwise (Motor in reverse rotation)
Battery negative (-) Terminal 2
Open-latch
B67754
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1926
05-1744
DIAGNOSTICS - BACK DOOR CLOSER SYSTEM
(b) Check the back door courtesy switch resistance.
(1) Check the resistance between the terminals of the
courtesy switch.
Standard:
Door Lock Latch Position Terminal No. Specified Condition
Open-latch position, Half-latch posi-
Below 1
tion
3 -4
Full-latch position, Over-latch posi-
10 k or higher
tion
(c) Check the back door latch switch resistance.
Open-latch (1) Check the resistance between the terminals of the
latch switch.
Standard:
Door Lock Latch Position Terminal No. Specified Condition
Open-latch position, Over-latch posi-
Below 1
tion 4 -5
Half-latch Half-latch position, Full-latch position 10 k or higher
(d) Check the position switch resistance.
(1) Connect the battery positive (+) lead to connector
terminal 1 and the negative (-) lead to connector
terminal 2.
Full-latch Standard:
Door Lock Latch Position Terminal No. Specified Condition
Any position other than motor stop
Below 1
position (Motor in operation)
4 -6
Motor stop position (Gear in original
10 k or higher
position
Over-latch
B62719
NG REPLACE BACK DOOR LOCK ASSY
OK
REPLACE POWER BACK DOOR ECU
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1927