Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 05 20vff cihoodsw
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05-1872
DIAGNOSTICS - THEFT DETERRENT SYSTEM 05BA4-01
ENGINE HOOD COURTESY SWITCH CIRCUIT
CIRCUIT DESCRIPTION
The engine hood courtesy switch is installed together with the hood lock. This switch comes on when the
engine hood is opened and goes off when the engine hood is closed.
WIRING DIAGRAM
Instrument Panel J/B Assy
B8
E3 Multiplex Network
J1 Body ECU
Engine Hood Courtesy Switch
J/C J/C
13 30
W-B W-B R-W R-W
J3 J4 HCTY
A A 2 1 10
EA
B67841
INSPECTION PROCEDURE
1 INSPECT ENGINE HOOD COURTESY SWITCH
Free (a) Remove the courtesy switch from the hood lock.
(ON) (b) Check the switch resistance.
Standard:
Terminal No. Condition Specified Condition
Pushed Pushed (OFF) 10 k or higher
1-2
(OFF) Free (ON) Below 1
B67860 NG REPLACE ENGINE HOOD COURTESY SWITCH
OK
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 2055
05-1873
DIAGNOSTICS - THEFT DETERRENT SYSTEM
2 CHECK WIRE HARNESS (MULTIPLEX NETWORK BODY ECU - ENGINE HOOD
COURTESY SWITCH)
Wire Harness Side (a) Disconnect the B8 ECU connector.
(b) Disconnect the E3 switch connector.
B8 (c) Check the resistance between the wire harness side con-
Multiplex Network Body ECU
nectors.
Standard:
Terminal No. Specified Condition
B8-10 (HCTY) - E3-1 Below 1
E3
Engine Hood Courtesy Switch
NG REPAIR OR REPLACE HARNESS AND
B69123
B67849 B68354 CONNECTOR
OK
3 CHECK WIRE HARNESS (ENGINE HOOD COURTESY SWITCH - BODY GROUND)
Wire Harness Side (a) Disconnect the E3 switch connector.
E3 (b) Check the resistance between the wire harness side con-
Engine Hood Courtesy Switch
nector and the body ground.
Standard:
Terminal No. Specified Condition
E3-2 - Body ground Below 1
NG REPAIR OR REPLACE HARNESS AND
B67849 CONNECTOR
OK
REPLACE MULTIPLEX NETWORK BODY ECU
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 2056
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