2001 TOYOTA SEQUOIA Service Repair Manual

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Page 1865 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DI273±05
± DIAGNOSTICSSLIDING ROOF SYSTEM
DI±1663
1857 Author: Date:
2005 SEQUOIA (RM1146U)
CUSTOMER PROBLEM ANALYSIS CHECK
SLIDING ROOF CONTROL SYSTEM Check Sheet
Inspector s name:
Customer

Page 1866 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DI276±09
DI±1664
± DIAGNOSTICSSLIDING ROOF SYSTEM
1858 Author: Date:
2005 SEQUOIA (RM1146U)
PROBLEM SYMPTOMS TABLE
SymptomSuspect AreaSee page
Sliding roof control system does not operate.
1. S

Page 1867 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DI275±12
I04611
S19
± DIAGNOSTICSSLIDING ROOF SYSTEM
DI±1665
1859 Author: Date:
2005 SEQUOIA (RM1146U)
TERMINALS OF ECU
Symbols (Terminals No.)Wiring ColorConditionSpecified Condition
MPX1 e ±

Page 1868 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DID4Z±01
DI±1666
± DIAGNOSTICSSLIDING ROOF SYSTEM
1860 Author: Date:
2005 SEQUOIA (RM1146U)
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
According to the DATA LIST displayed by the hand±held te

DID4Z±01
DI±1666
± DIAGNOSTICSSLIDING ROOF SYSTEM
1860 Author: Date:
2005 SEQUOIA (RM1146U)
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
According to the DATA LIST displayed by the hand±held tester, you can read the value of the switch, sensor,
actuator and so on without parts removal. Reading the DATA LIST as a first step of troubleshooting is one
of the method to shorten the labor time.
(a) Connect the hand±held tester to the DLC3.
(b) Turn the ignition switch ON.
(c) According to the display on tester, read the ºDATA LISTº.
SLIDE ROOF:
ItemMeasurement Item/
Display (Range)Normal conditionDiagnostic Note
LIMIT SW 1Position SW NO.1/
ON or OFFON: 250 mm point from fully opened position
OFF: Sliding roof fully closed position±
LIMIT SW 2Position SW NO.2/
ON or OFFON: Sliding roof fully closed position
OFF: Sliding roof except fully closed position±
OPEN SWSliding roof open SW
signal/ON or OFFON: Sliding roof is open
OFF: Sliding roof is close±
CLOSE SWSliding roof close SW
signal/ON or OFFON: Sliding roof is close
OFF: Sliding roof is open±
UP SWSliding roof up SW sig-
nal/ON or OFFON: Sliding roof is up
OFF: Sliding roof is down±
DOWN SWSliding roof down SW
signal/ON or OFFON: Sliding roof is down
OFF: Sliding roof is up±
IG (DIRCT)Ignition SW (Direct
signal)/ON or OFFON: Ignition switch to on
OFF: Ignition switch to off±
IG (MPX)Ignition SW (MPX)/ON
or OFFON: Ignition switch to on
OFF: Ignition switch to off±
2. ACTIVE TEST
HINT:
Performing the ACTIVE TEST using the hand±held tester allows the relay, VSV, actuator and so on to oper-
ate without parts removal. Performing the ACTIVE TEST as a first step of troubleshooting is one of the meth-
od to shorten the labor time.
It is possible to display the DATA LIST during the ACTIVE TEST.
(a) Connect the hand±held tester to the DLC3.
(b) Turn the ignition switch ON.
(c) According to the display on tester, perform the ºACTIVE TESTº.
SLIDE ROOF:
ItemTest DetailsDiagnostic Note
SLIDE ROOFSliding roof CLOS/UP ± OPN/DWNDuring this ACTIVE TEST, jam protection caught
detection can be monitored.

Page 1869 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DI274±08
I28411
Ignition Switch Instrument Panel J/B
ECU±IG Fuse
SUN ROOF Fuse
Sliding Roof Gear Assembly
Sliding Roof ECU
Sliding Roof Motor
Sliding Roof Control Switch
± DIAGNOSTICSSLIDIN

Page 1870 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DI277±14
I18700
J8
J/CB±R
2
L±WIG Instrument Panel J/B I18
Ignition SW
1IG1
AM1 B±Y4
1C
6
1CAM1
1 2ECU±IG
SUN ROOF1
1M
5
1M
1
1L8
5
B
W±L
B58 ALT F10
Fusible Link Block
W
Instrument Panel J/B
W�

Page 1871 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual ± DIAGNOSTICSSLIDING ROOF SYSTEM
DI±1669
1863 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION PROCEDURE
HINT:
If not using the hand±held tester, start from STEP 2.
1 Perform active test.
PREPAR

Page 1872 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DI±1670
± DIAGNOSTICSSLIDING ROOF SYSTEM
1864 Author: Date:
2005 SEQUOIA (RM1146U)
2 Check voltage between terminals B, IG and GND of sliding roof control ECU con-
nector.
PREPARATION:
Turn igni

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