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05-1 172
DIAGNOSTICS - LIGHTING SYSTEM 05BVX-02
DOOR LOCK POSITION CIRCUIT
CIRCUIT DESCRIPTION
This circuit detects the state of the door lock detection sensor and send it to the Multiplex network body ECU.
WIRING DIAGRAM
Multiplex Network
Body ECU
S22
W-B(*2) Slide Door Driver Side Junction Block
Attachment Control LH 5
18 7
W-B(*1) W-B L-R L-R
BD1 BD1 1P LSWL
4 1 20
S25
Slide Door
18 Attachment Control RH 7 6 J/C 18 5
W-B L-R L-R L-R
BJ1 BJ1 J34 J33 B7 LSWR
4 1
D11
J42 Door Key Lock and Unlock Switch Front LH
J/C Door Lock Motor Front LH
W-B(*2) W-B(*2) Door Unlock Detection Switch Front LH
A 15 7
A W-B BR-R BR-R
IA1 B9 LSWD
W-B(*1) 7 8
J38 D12
A J/C Door Key Lock and Unlock Switch Front RH
Door Lock Motor Front RH
Door Unlock Detection Switch Front RH
7 27
A Y Y
IM2 B7 LSWP
8 7
W-B 2
(*2) W-B W-B
IM2
1
W-B W-B
IA1
BM BH BL IE IG
*1: w/o Power Slide Door
*2: w/ Power Slide Door
E68129
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1355
05-1 173
DIAGNOSTICS - LIGHTING SYSTEM
INSPECTION PROCEDURE
HINT:
Start the inspection from step 1 in the case of using the hand-held tester, and start from step 2 in the case
of not using the hand-held tester.
1 READ VALUE OF HAND-HELD TESTER
(a) Connect the hand-held tester to DLC3.
(b) Turn the ignition switch ON and push the hand-held tester main switch ON.
(c) Select the items below in the DATA LIST, and read the displays on the hand-held tester.
BODY NO.1:
Measurement Item/
Item Normal Condition Diagnostic Note
Display (Range)
Front passenger's
ON: Front passenger's door lock is in unlock position
P LOCK POS SW door lock position SW -
OFF: Front passenger's door lock is in lock position
signal/ON or OFF
Rear slide door lock
ON: Rear slide door lock is in unlock position
Rr. LOCK POS SW position SW signal/ON -
OFF: Rear slide door lock is in lock position
or OFF
Driver's door lock
ON: Door lock is in unlock position
D LOCK POS SW position SW signal/ -
OFF: Door lock is in lock position
ON or OFF
OK PROCEED TO NEXT CIRCUIT INSPECTION
SHOWN ON PROBLEM SYMPTOMS TABLE
(See page 05-1 131)
NG
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1356
05-1 174
DIAGNOSTICS - LIGHTING SYSTEM
2 CHECK HARNESS AND CONNECTOR
(a) Disconnect the 1P, B7 and B9 connector from instrument panel junction block assy.
(b) Check the continuity between each of the terminals of the instrument panel junction block assy connec-
tor side and body ground as shown in the chart below.
Standard:
Tester connection Condition Specified condition
B9-7 - Body ground Front driver door lock unlock Continuity No continuity
B7-27 - Body ground Front passenger door lock unlock Continuity No continuity
1P-5 - Body ground Rear LH slide door lock unlock Continuity No continuity
B7-5 - Body ground Rear RH slide door lock unlock Continuity No continuity
Instrument Panel Junction Block Assy
Front Side:
1P
E67348
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1357
05-1 175
DIAGNOSTICS - LIGHTING SYSTEM
Instrument Panel Junction Block Assy B7 B9
Back Side:
E67349
OK PROCEED TO NEXT CIRCUIT INSPECTION
SHOWN ON PROBLEM SYMPTOMS TABLE
(See page 05-1 131)
NG
GO TO POWER DOOR LOCK CONTROL SYSTEM (See page 05-1586 )
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1358
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