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05-1 128
DIAGNOSTICS - LIGHTING SYSTEM
05BVL-02
TERMINALS OF ECU
1. Instrument Panel Junction Block Assy
Front Side:
1K 1J
1E
1L
1C 1R 1N
1B 1P
1A
E67348
Back Side:
B6 B7 B9 B8
1H
E67349
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1311
05-1 129
DIAGNOSTICS - LIGHTING SYSTEM
Terminal No. (Symbols) Wiring color Condition Specified condition
1A-1 - 1L-16
W - W-B Always 10 to 14 V
(ACC, IG - GND1)
1C-1 - 1L-16 Light control switch is OFF Below 1 V
R-W - W-B
(TRLY - GND1) Light control switch is TAIL and fog lamp switch is ON 10 to 14 V
1C-10 - 1L-16 Light control switch is OFF or TAIL 10 to 14 V
O - W-B
(HRLY - GND1) Light control switch is HEAD Below 1 V
1C-12 - 1L-16 Light control switch is OFF Below 1 V
R-W - W-B
(TRLY - GND1) Light control switch is TAIL and fog lamp switch is ON 10 to 14 V
1C-23 - 1L-16 Headlamp dimmer switch is OFF 10 to 14 V
G-R - W-B
(DRL - GND1) Headlamp dimmer switch is ON Below 1 V
1C-24 - 1L-16
W-L - W-B Always 10 to 14 V
(BECU - GND1)
1C-30 - 1L-16
B - W-B Always 10 to 14 V
(ALTB - GND1)
1E-7 - 1L-16 Ignition switch is OFF Below 1 V
R-L - W-B
(MPX1 - GND1) Ignition switch is ON Plus generation
1H-30 - 1L-16 Key cylinder illumination, room lamp is OFF 10 to 14 V
L - W-B
(ILE - GND1) Key cylinder illumination, room lamp is ON Below 1 V
1K-10 - 1L-16 Parking brake is ON Below 1 V
R-W - W-B
(PKB - GND1) Parking brake is released 10 to 14 V
1K-17 - 1L-16
W-B - W-B Always Below 1 V
(GND2 - GND1)
1L-7 - 1L-16
W-L - W-B Always 10 to 14 V
(BECU - GND1)
1L-16 - Body ground
W-B - - Always Below 1 V
(GND1 - Body ground)
1N-2 - 1L-16 Headlamp dimmer switch is OFF 10 to 14 V
R-W - W-B
(HU - GND1) Headlamp dimmer switch is HIGH or Flash Below 1 V
1P-5 - 1L-16 Rear left slide door is in unlock position Below 1 V
L-R - W-B
(LSWL - GND1) Rear left slide door is in lock position 10 to 14 V
1P-19 - 1L-16 Rear left slide door is open Below 1 V
GR - W-B
(LCTY - GND1) Rear left slide door is closed 10 to 14 V
B6-4 - 1L-16
LG - W-B Always Below 1 V
(CLTE - GND1)
B6-5 - 1L-16
G-B - W-B Ignition switch is ON Signal wave form
(CLTS - GND1)
B6-6 - 1L-16 Ignition switch is OFF Below 1 V
R - W-B
(CLTB - GND1) Ignition switch is ON 10 to 14 V
B6-15 - 1L-16 Headlamp dimmer switch is OFF 10 to 14 V
O - W-B
(HF - GND1) Headlamp dimmer switch is Flash Below 1 V
B6-16 - 1L-16 Light control switch is OFF 10 to 14 V
V - W-B
(A - GND1) Light control switch is AUTO Below 1 V
B6-17 - 1L-16 Light control switch is OFF 10 to 14 V
G-B - W-B
(TAIL - GND1) Light control switch is TAIL Below 1 V
B6-22 - 1L-16 Fog lamp switch is OFF 10 to 14 V
G-R - W-B
(FFOG - GND1) Fog lamp switch is ON Below 1 V
B6-23 - 1L-16 Light control switch is OFF 10 to 14 V
R-G - W-B
(HEAD - GND1) Light control switch is HEAD Below 1 V
B7-5 - 1L-16 Rear right slide door is in unlock position Below 1 V
L-R - W-B
(LSWR - GND1) Rear right slide door is in lock position 10 to 14 V
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1312
05-1 130
DIAGNOSTICS - LIGHTING SYSTEM
B7-21 - 1L-16 Ignition switch is OFF Below 1 V
R-L - W-B
(MPX2 - GND1) Ignition switch is ON Plus generation
B7-23 - 1L-16 Front right door is open Below 1 V
R-Y - W-B
(PCTY GND1) Front right door is closed 10 to 14 V
B7-24 - 1L-16 Front right courtesy lamp is OFF 10 to 14 V
R-G - W-B
(PCYL - GND1) Front right courtesy lamp is ON Below 1 V
B7-25 - 1L-16 Back door is open Below 1 V
G-W - W-B
(BCTY - GND1) Back door is closed 10 to 14 V
B7-27 - 1L-16 Front right door is in unlock position Below 1 V
Y - W-B
(LSWP - GND1) Front right door is in lock position 10 to 14 V
B8-7 - 1L-16 Front fog lamp is OFF 10 to 14 V
G - W-B
(FFGO - GND1) Front fog lamp is ON Below 1V
B9-7 - 1L-16 Front left door is in unlock position Below 1 V
BR-R - W-B
(LSWD - GND1) Front left door is in lock position 10 to 14 V
B9-13 - 1L-16 Front left courtesy lamp is OFF 10 to 14 V
R-W - W-B
(DCYL - GND1) Front left courtesy lamp is ON Below 1V
B9-14 - 1L-16 Front left door is open Below 1 V
R-Y - W-B
(DCTY - GND1) Front left door is closed 10 to 14 V
B9-16 - 1L-16 Rear right slide door is open Below 1 V
R-W - W-B
(RCTY - GND1) Rear right slide door is closed 10 to 14 V
Interior light switch is in DOOR position, all of the rear cour-
B7-9 - 1L-16 tesy lamps and the luggage compartment lamp are OFF 10 to 14 V
G - W-B
(RCUT - GND1) Interior light switch is in DOOR position, each of the rear Below 1 V
courtesy lamps and the luggage compartment lamp are ON
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1313
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