2001 TOYOTA SEQUOIA Service Repair Manual

heating sport mode roof rack fuel cap headlight aiming wiring

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Page 201 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual B17430
HA1A
A1A+
A1A±
HA2A
A2A+
A2A±
HT1B
OXIB
HT2B
OX2B
E2
PRG
ACIS
AIV1
AIV2
THA
E2G
VG
E2
THW
PPMP
VPMP
MPMP#10
#20
#30
#40
#50
#60
#70
#80
IGT1
IGT2
IGT3
IGT4
IGT5
IGT6
IGT7
IGT8
IGF1
IGF2 To A/

Page 202 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual B17431
AIDI
AIRP
AIRV
AIP
GE01
M+
M±
VTA1
VC
VTA2
FC
FPRACCR
ST1±
STP
E01
E02
E04
E05
E1
E03
ME01
EC
EOM
TC
CANL
CANH
IMI
IMODLC3
CG
TC
CANL
CANH ASVAI Driver To EFI Relay
To Battery
To Battery
To B

Page 203 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DI3H8±10
Vehicle Brought to Workshop
Customer Problem Analysis P. DI±10
Problem Symptom Confirmation
If the engine does not start perform steps 10 and 12 firstConnect the OBD II scan tool or hand±h

Page 204 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DI3H9±07
ENGINE CONTROL SYSTEM Check Sheet
Customers Name
Drivers Name
Data Vehicle
Brought in
Engine model
VIN
Production Date
Licence Plate No.
Odometer Reading
Problem Symptoms
Engine does
not S

Page 205 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DID7R±01
± DIAGNOSTICSENGINE
DI±11
205 Author: Date:
2005 SEQUOIA (RM1146U)
CHECK FOR INTERMITTENT PROBLEMS
HINT:
Hand±held tester only:
Inspect the vehicles ECM using check mode. Intermitte

Page 206 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DID7S±01
DI±12
± DIAGNOSTICSENGINE
206 Author: Date:
2005 SEQUOIA (RM1146U)
BASIC INSPECTION
When the malfunction is not confirmed in the DTC check, troubleshooting should be carried out in all

Page 207 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual ± DIAGNOSTICSENGINE
DI±13
207 Author: Date:
2005 SEQUOIA (RM1146U)
4 Check air filter.
PREPARATION:
Remove the air filter.
CHECK:
Visual check that the air filter is not excessively dirty or oil

Page 208 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DID7T±01
DI±14
± DIAGNOSTICSENGINE
208 Author: Date:
2005 SEQUOIA (RM1146U)
REGISTRATION
NOTICE:
The Vehicle Identification Number (VIN) must be input into the replacement ECM.
HINT:
The VIN is

DID7T±01
DI±14
± DIAGNOSTICSENGINE
208 Author: Date:
2005 SEQUOIA (RM1146U)
REGISTRATION
NOTICE:
The Vehicle Identification Number (VIN) must be input into the replacement ECM.
HINT:
The VIN is in the form of a 17±digit alphanumeric vehicle identification number. A hand±held tester is re-
quired to register the VIN.
1. DESCRIPTION
This registration section consists of three parts, Input Instructions, Read VIN and Write VIN.
(a) Input Instructions: Explains the general VIN input instructions using a hand±held tester.
(b) Read VIN: Explains the VIN reading process in a flowchart. This process allows the VIN stored in the
ECM to be read, in order to confirm that the two VINs, provided with the vehicle and stored in the ve-
hicle's ECM, are the same.
(c) Write VIN: Explains the VIN writing process in a flowchart. This process allows the VIN to be input into
the ECM. If the ECM is changed, or the VIN and VIN do not match, the VIN can be registered, or over-
written in the ECM by following this procedure.
2. INPUT INSTRUCTIONS
(a) Hand±held tester
The arrow buttons (UP, DOWN, RIGHT and LEFT) and numerical buttons (0 to 9) are used, in order
to input the VIN.
(b) Cursor Operation
To move the cursor around the tester screen, press the RIGHT and LEFT buttons.
(c) Alphabetical Character Input
(1) Press the UP and DOWN buttons to select the desired alphabetical character.
(2) After selection, the cursor should move.
(d) Numeric Character Input
(1) Press the numerical button corresponding to the number that you want to input.
(2) Select or input the correct character using the UP/DOWN buttons, or the numerical buttons.
HINT:
Numerical characters can be selected by using the UP and DOWN buttons.
(e) Correction
(1) After input, the cursor should move.
(2) When correcting the input character(s), put the cursor onto the character using the RIGHT or
LEFT buttons.
(f) Finishing Input Operation
(1) Make sure that the input VIN matches the vehicle VIN after input.
(2) Press the ENTER button on the tester.

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