Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 05 20ddw cicc21
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05-1978
DIAGNOSTICS - CRUISE CONTROL SYSTEM 05BT6-02
CRUISE CONTROL SWITCH CIRCUIT
CIRCUIT DESCRIPTION
This circuit carries the -/SET, +/RES and CANCEL signals (each voltage) to the ECM.
WIRING DIAGRAM
C13
Combination SW ECM
J19
Cruise Control Main Switch J/C 24
W-B B B
E5 CCS
CCS 3 CCS 5 49 89
CANCEL -SET +RES ON-OFF
B
ECC 1
BR
4 ECC
J20 J29
J/C 8 J/C
BR BR BR
II3
96 76 A A
EB
I35704
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 2161
05-1979
DIAGNOSTICS - CRUISE CONTROL SYSTEM
INSPECTION PROCEDURE
1 INSPECT CRUISE CONTROL MAIN SWITCH
(a) Disconnect the cruise control main switch connector.
(b) Measure resistance between terminal 1 and 3 of the
cruise control switch connector when cruise control main
switch is operated.
Standard:
Switch condition Resistance ()
Neutral (No continuity)
+/RES 210 to 270
-/SET 560 to 700
Main Switch
CANCEL 1,380 to 1,700
(c) Check continuity between terminals 1 and 3 of cruise con-
trol main switch connector when main switch button is
held on and off.
Standard:
Switch condition Tester connection Specification
OFF 1-3 No continuity
ON 1-3 Continuity
I34748
NG REPLACE CRUISE CONTROL MAIN SWITCH
OK
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 2162
05-1980
DIAGNOSTICS - CRUISE CONTROL SYSTEM
2 INSPECT STEERING PAD SWITCH LH
(a) Check for open and short circuit in harness and connector
between cruise control main switch side terminal 1 and
ECM side terminal 4. (See page 01-37 )
(b) Check for open and short circuit in harness and connector
between cruise control main switch side terminal 3 and
ECM side terminal 5. (See page 01-37 )
3 2 1
4 5
I35699 NG REPAIR OR REPLACE STEERING PAD SWITCH
LH
OK
3 INSPECT ECM
(a) Remove the ECM with connector.
(b) Ignition switch ON.
CCS (c) Measure voltage between terminal CCS of ECM and
body ground, when cruise control main switch is oper-
ated.
Standard:
Switch position Voltage
Neutral 10 to 14 V
I34219
CANCEL 6.6 to 10.1 V
-/SET 4.5 to 7.1 V
+/RES 2.3 to 4 V
Main switch ON Below 1 V
NG REPLACE ECM (See page 01-37 )
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE (See page
05-1972 )
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 2163
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