
65-4
LIGHTING - LIGHTING SYSTEM
650SA-01
INSPECTION
1. HEADLAMP DIMMER SWITCH ASSY
(a) Inspect light control switch continuity.
(1) Check that there is continuity between the terminals
at each switch position as shown in the chart.
Standard:
Switch operation Tester connection Specified condition
OFF - No continuity
TAIL 14 - 16 Continuity
E57951 HEAD 13 - 16 - 14 Continuity
AUTO 12 - 16 Continuity
(b) Inspect headlight dimmer switch continuity.
(1) Check that there is continuity between the terminals
at each switch position as shown in the chart.
Standard:
Switch operation Tester connection Specified condition
FLASH 7 - 8 - 16 Continuity
LOW BEAM 16 - 17 Continuity
HI BEAM 7 - 16 Continuity
(c) Inspect turn signal switch continuity.
(1) Check that there is continuity between the terminals
at each switch position as shown in the chart.
Standard:
Switch operation Tester connection Specified condition
Right turn 2-3 Continuity
Neutral - No continuity
Left turn 1-2 Continuity
(d) Inspect front fog light switch continuity.
(1) Check that there is continuity between the terminals
at each switch position as shown in the chart.
Standard:
Switch operation Tester connection Specified condition
OFF - No continuity
ON 11 - 18 Continuity
2. HAZARD WARNING SIGNAL SWITCH ASSY
(a) Check that there is continuity between the terminals at
each switch position as shown in the chart.
Standard:
Switch operation Tester connection Specified condition
OFF 3-4 No continuity
ON 3-4 Continuity
Illumination circuit 5-6 Continuity
I35767
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 3087
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LIGHTING - LIGHTING SYSTEM
(b)
Inspect illumination operation.
(1) Connect the positive (+) lead from the battery to the
terminal 6 and negative (-) lead to the terminal 5,
then check that the illumination comes on.
3. FRONT DOOR COURTESY LAMP SWITCH ASSY
(a) Check that there is continuity between the terminal and the switch body when the switch is operated.
Standard:
ON (When shaft is pressed): No continuity
OFF (When shaft is not pressed): Continuity
4. REAR DOOR COURTESY LAMP SWITCH ASSY
(a) Check that there is continuity between the terminal and the switch body when the switch is operated.
Standard:
ON (When shaft is pressed): No continuity
OFF (When shaft is not pressed): Continuity
5. BACK DOOR LOCK ASSY (W/O POWER BACK DOOR)
(a) Inspect back door courtesy lamp switch operation.
(1) Check that there is continuity between the terminal
5 and the terminal 6 when the back door is open and
closed.
Standard:
Back door is open: No continuity
Back door is closed: Continuity
I35768
6. BACK DOOR LOCK ASSY (W/ POWER BACK DOOR)
(a) Inspect back door courtesy lamp switch operation.
(1) Check that there is continuity between the terminal
3 and the terminal 4 when the back door is open and
closed.
Standard:
Back door is open: No continuity
Back door is closed: Continuity
I35768
7. HEADLAMP RELAY
(a) Inspect relay continuity.
Standard:
Condition Tester connection Specified condition
Always 1-2 Continuity
Always 3-5 No continuity
Apply B+ between
3-5 Continuity
the terminal 1 and 2
E64835
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 3088
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LIGHTING - LIGHTING SYSTEM
8. TAIL LAMP RELAY
(a) Inspect relay continuity.
3 Standard:
Condition Tester connection Specified condition
5
1-2
Always Continuity
3-4
2 4 1 Always 3-5 No continuity
Apply B+ between
3-5 Continuity
the terminal 1 and 2
E68810
9. FOG LAMP RELAY
(a) Inspect relay continuity.
Standard:
Condition Tester connection Specified condition
Always 1-2 Continuity
Always 3-5 No continuity
Apply B+ between
3-5 Continuity
the terminal 1 and 2
B16200
10. RUNNING LIGHT RELAY
(a) Inspect relay continuity.
3 Standard:
Condition Tester connection Specified condition
5
1-2
Always Continuity
3-4
2 4 1 Always 3-5 No continuity
Apply B+ between
3-5 Continuity
the terminal 1 and 2
E68810
11. HEADLAMP DAY DIM LIGHT RELAY
(a) Inspect relay continuity.
Standard:
Condition Tester connection Specified condition
Always 1-2 Continuity
Always 3-5 No continuity
Apply B+ between
3-5 Continuity
the terminal 1 and 2
B16200
12. BRK RELAY
(a) Inspect relay continuity.
Standard:
Condition Tester connection Specified condition
1-2
Always Continuity
3-4
4
Always 3-5 No continuity
Apply B+ between
3-5 Continuity
the terminal 1 and 2
E67351
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 3089
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LIGHTING - LIGHTING SYSTEM
13. KEY CYLINDER LAMP ASSY
(a) Connect the battery positive (+) lead to the terminal 1 and
the battery negative (-) lead to the terminal 2, and check
that the indicator light comes on.
I35769
14. TRANSPONDER KEY AMPLIFIER
(a) Inspect key cylinder lamp operation.
(1) Connect the battery positive (+) lead to the terminal
2 and the battery negative (-) lead to the terminal
6, and check that the indicator light comes on.
E66577
15. ROOF CONSOLE BOX ASSY
(a) Inspect map light assy continuity.
(1) Check the continuity between the terminals at each
switch position as shown in the chart.
Standard:
Switch operation Tester connection Specified condition
OFF - No continuity
DOOR 2-3 Continuity
I35770 ON 1-2 Continuity
16. AIR OUTLET REGISTER ASSY NO.1
(a) Inspect interior light LH No.1 continuity.
(1) Check that there is continuity between the terminals
at each switch position as shown in the chart.
Standard:
Switch operation Tester connection Specified condition
OFF - No continuity
DOOR 2-3 Continuity
I35770 ON 1-2 Continuity
17. AIR OUTLET REGISTER ASSY NO.2
(a) Inspect interior light RH No.1 continuity.
(1) Check that there is continuity between the terminals
at each switch position as shown in the chart.
Standard:
Switch operation Tester connection Specified condition
OFF - No continuity
DOOR 2-3 Continuity
I35770 ON 1-2 Continuity
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 3090
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LIGHTING - LIGHTING SYSTEM
18. AIR DUCT REGISTER ASSY NO.3
(a) Inspect interior light LH No.2 continuity.
(1) Check that there is continuity between the terminals
at each switch position as shown in the chart.
Standard:
Switch operation Tester connection Specified condition
OFF - No continuity
DOOR 2-3 Continuity
I35770 ON 1-2 Continuity
19. AIR OUTLET REGISTER ASSY NO.4
(a) Inspect interior light RH No.2 continuity.
(1) Check that there is continuity between the terminals
at each switch position as shown in the chart.
Standard:
Switch operation Tester connection Specified condition
OFF - No continuity
DOOR 2-3 Continuity
I35770 ON 1-2 Continuity
20. FRONT DOOR TRIM BOARD SUB-ASSY LH
(a) Inspect front door courtesy lamp.
(1) Check that the continuity exists between the terminals.
Standard: There is continuity
21. FRONT DOOR TRIM BOARD SUB-ASSY RH
(a) Inspect front door courtesy lamp.
(1) Check that the continuity exists between the terminals.
Standard: There is continuity
22. REAR DOOR COURTESY LAMP ASSY LH
(a) Check that the continuity exists between the terminals.
Standard: There is continuity
23. REAR DOOR COURTESY LAMP ASSY RH
(a) Check that the continuity exists between the terminals.
Standard: There is continuity
24. ROOM LAMP ASSY NO.2
(a) Check that the continuity exists between the terminals.
Standard: There is continuity
25. LH VISOR ASSY
(a) Inspect vanity light continuity.
(1) Check that the continuity exists between the terminal 1 and the terminal 2 when the light is oper-
ated.
Standard:
OFF (closed): No continuity
ON (opened): Continuity
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 3091
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LIGHTING - LIGHTING SYSTEM
26. RH VISOR ASSY
(a) Inspect vanity light continuity.
(1) Check that the continuity exists between the terminal 1 and the terminal 2 when the light is oper-
ated.
Standard:
OFF (closed): No continuity
ON (opened): Continuity
2 1 27. HEADLAMP LEVELING SWITCH
(a) Connect the battery positive (+) lead to the terminal 1 and
the battery negative (-) lead to the terminal 5.
(b) Measure the resistance between the terminal 4 and the
battery negative (-) lead when headlamp leveling switch
is operated.
(c) Measure the resistance between the terminal 5 and the
4
5 battery negative (-) lead when headlamp leveling switch
is operated.
Standard:
V
Switch position Specified voltage (V)
0 9.0 to 12.6
1 7.9 to 11.1
2 6.9 to 9.6
3 5.8 to 8.2
4 4.7 to 6.6
5 3.7 to 5.1
E66581
(d) Inspect switch illumination.
(1) Connect the battery positive (+) lead to the terminal
3 and the battery negative (-) lead to the terminal
6, and check that the illumination comes on.
6 3
E66582
28. STOP LAMP SWITCH ASSY
4 3 (a) Check the continuity between the terminals at each
switch position as shown in the chart.
Standard:
Switch position Tester connection Specified condition
Switch pin free 1-2 No continuity
1 2
Switch pin free 3-4 Continuity
Free Pushed in Switch pin pushed in 1-2 Continuity
E65594
Switch pin pushed in 3-4 No continuity
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 3092
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LIGHTING - LIGHTING SYSTEM
29. INTERIOR DOME LAMP SWITCH ASSY
(a) Check that there is continuity between the terminals at
each switch position as shown in the chart.
Standard:
Switch operation Tester connection Specified condition
8-7
OFF 9-7 No continuity
10 - 7
5 - 10
I35771 DOOR 6-9 Continuity
7-8
ON 7 - 8 - 9 - 10 Continuity
(b) Inspect illumination operation.
(1) Connect the battery positive (+) lead to the terminal
4 and the battery negative (-) lead to the terminal
1, and check that the illumination comes on.
30. LIGHT CONTROL RELAY
(a) Inspect relay continuity.
Standard:
Condition Tester connection Specified condition
Always 1-2 Continuity
Always 3-5 No continuity
Apply B+ between
3-5 Continuity
the terminal 1 and 2
B16200
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 3093