2001 TOYOTA SEQUOIA Service Repair Manual

coolant reservoir fuel tank capacity service indicator brake width TPMS

Page 1017 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DIDK2±01
F19129
T17
± DIAGNOSTICSTIRE PRESSURE WARNING SYSTEM
DI±815
1009 Author: Date:
2005 SEQUOIA (RM1146U)
TERMINALS OF ECU
HINT:
Inspect the connectors from the back side while the connect

Page 1018 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual D13491
DLC3:
BAT
SIL CG
DIDK3±01
F19148
Combination Meter
Tire Pressure
Warning Lamp DI±816
± DIAGNOSTICSTIRE PRESSURE WARNING SYSTEM
1010 Author: Date:
2005 SEQUOIA (RM1146U)
DIAGNOSIS SYSTEM

D13491
DLC3:
BAT
SIL CG
DIDK3±01
F19148
Combination Meter
Tire Pressure
Warning Lamp DI±816
± DIAGNOSTICSTIRE PRESSURE WARNING SYSTEM
1010 Author: Date:
2005 SEQUOIA (RM1146U)
DIAGNOSIS SYSTEM
1. CHECK BATTERY VOLTAGE
Battery voltage: 11 to 14 V
If the voltage is below 11 V, recharge the battery before pro-
ceeding.
2. CHECK DLC3
The vehicle's tire pressure monitor ECU uses ISO 9141±2 for
communication. The terminal arrangement of DLC3 complies
with SAE J1962 and matches the ISO 9141±2 format.
Verify the conditions listed in the table below:
Terminal No.Disc.Connection / Voltage or ResistanceCondition
7SILBus + Line / Pulse generationDuring transmission
4CGChassis Ground to Body Ground / 1 W or lessAlways
16BATBattery Positive to Body Ground / 10 to 14 VAlways
HINT:
If the hand±held tester display shows UNABLE TO CONNECT
TO VEHICLE when the cable of the hand±held tester is con-
nected to DLC3, the ignition switch is turned to the ON position
and the tester is operated, there is a problem on the vehicle side
or tester side.
If communication is normal when the tester is connected
to another vehicle, inspect DLC3 on the original vehicle.
If communication is still not possible when the tool is con-
nected to another vehicle, the problem is probably in the
tester itself, so consult the Service Department listed in
the tester's instruction manual.
3. DIAGNOSIS SYSTEM
(a) Warning lamp
(1) The tire pressure warning lamp blinks when there is
any malfunction in the tire pressure warning sys-
tem.
NOTICE:
When the malfunction has been corrected, the tire pres-
sure warning lamp does not come on.
(b) DTCs (Normal mode)
(1) DTCs are memorized in the tire pressure monitor
ECU and read by the blinks of the tire pressure
warning lamp or using the hand±held tester (see
page DI±820.
(c) Test mode
(1) By switching from normal mode into test mode (in-
put signal check), you can inspect the tire pressure
monitor receiver assy, each tire pressure monitor
valve sub±assy and vehicle speed sensor (see
page DI±810).

Page 1019 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual F19148
Combination Meter
Tire Pressure
Warning Lamp
± DIAGNOSTICSTIRE PRESSURE WARNING SYSTEM
DI±817
1011 Author: Date:
2005 SEQUOIA (RM1146U)
4. CHECK WARNING LAMP
(a) Turn the ignition switch

Page 1020 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual Immediately after
turning the IG ON
Always
Comes on
for 3 sec.Goes off Comes onOutput
DTC Blinks
(*1)Blinks
(*2)Blinks
(*3)

Normal
Low tire pressure
System fail
ECU connector

Page 1021 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual F19134
ON
OFF0.25 sec.
0.25 sec.
F19133
0.125 sec.
0.125 sec. ON
OFF
± DIAGNOSTICSTIRE PRESSURE WARNING SYSTEM
DI±819
1013 Author: Date:
2005 SEQUOIA (RM1146U)
*2: Comes on and goes off repeated

Page 1022 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DIDK4±01
D13491
DLC3:
CG TC
F19148
Combination Meter
Tire Pressure
Warning Lamp
F19128
ON0.25 sec.
OFF
0.25 sec.
0.5 sec.
1.5 sec.4.5 sec. 2.5 sec.
0.5 sec. ON
OFF Normal System Code:
Code 13 and 33

Page 1023 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual ± DIAGNOSTICSTIRE PRESSURE WARNING SYSTEM
DI±821
1015 Author: Date:
2005 SEQUOIA (RM1146U)
3. DTC CLEAR
HINT:
After repairing the malfunctions, clear the DTCs.
(a) Connect the hand±held tester

Page 1024 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DIDK5±01
DI±822
± DIAGNOSTICSTIRE PRESSURE WARNING SYSTEM
1016 Author: Date:
2005 SEQUOIA (RM1146U)
DATA LIST / ACTIVE TEST
1. DATA LIST
(a) Connect the hand±held tester to DLC3.
(b) Turn the

DIDK5±01
DI±822
± DIAGNOSTICSTIRE PRESSURE WARNING SYSTEM
1016 Author: Date:
2005 SEQUOIA (RM1146U)
DATA LIST / ACTIVE TEST
1. DATA LIST
(a) Connect the hand±held tester to DLC3.
(b) Turn the ignition switch to the ON position.
(c) Following the display on the hand±held tester, read the ºDATA LISTº.
ItemMeasurement item/
Range (Display)Normal ConditionDiagnostic Note
MODE STATUS
Tire pressure warning system
mode/NORMAL or REG 2nd or
REG M or TESTNORMAL: Normal mode
TEST: Test mode±
MAIN TIRENumber of main tire ID to be regis-
tered/0 or 1 or 2 or 3 or 4 or 50 to 5 should be displayed±
2ND TIRENumber of 2ND tire ID to be regis-
tered/0 to 1 or 2 or 3 or 4 or 50 to 5 should be displayed±
SELECT SWSelect switch/Main, 2ndMain±
INITIAL SWInitialization switch/ON, OFFON: Switch on
OFF: Switch off±
VEHICLE SPEED
Vehicle speed reading/
min.: 0 km/h (0 mph),
max.: 255 km/h (158 mph)
Actual vehicle speedSpeed indicated on the
combination meter
REGIT ID1 CODERegistered ID1 code/min.: 0,
max.: FFFFFFFThe ID No. registered in the trans-
mitter ID1 is displayed±
REGIT ID2 CODERegistered ID2 code/min.: 0,
max.: FFFFFFFThe ID No. registered in the trans-
mitter ID2 is displayed±
REGIT ID3 CODERegistered ID3 code/min.: 0,
max.: FFFFFFFThe ID No. registered in the trans-
mitter ID3 is displayed±
REGIT ID4 CODERegistered ID4 code/min.: 0,
max.: FFFFFFFThe ID No. registered in the trans-
mitter ID4 is displayed±
REGIT ID5 CODERegistered ID5 code/min.: 0,
max.: FFFFFFFThe ID No. registered in the trans-
mitter ID5 is displayed±
TRANS STATUSID code transmission status/
FINISH or NOWFINISH or NOW±
TIREPRESS1
ID1 tire inflation pressure/
min.: 0 kPa (0 kgfVcm2, 0 psi),
max.: 637.5 kPa (6.48 kgfVcm2,
92.2 psi)Actual tire inflation pressure±
TIREPRESS2
ID2 tire inflation pressure/
min.: 0 kPa (0 kgfVcm2, 0 psi),
max.: 637.5 kPa (6.48 kgfVcm2,
92.2 psi)Actual tire inflation pressure±
TIREPRESS3
ID3 tire inflation pressure/
min.: 0 kPa (0 kgfVcm2, 0 psi),
max.: 637.5 kPa (6.48 kgfVcm2,
92.2 psi)Actual tire inflation pressure±
TIREPRESS4
ID4 tire inflation pressure/
min.: 0 kPa (0 kgfVcm2, 0 psi),
max.: 637.5 kPa (6.48 kgfVcm2,
92.2 psi)Actual tire inflation pressure±
TIREPRESS5
ID5 tire inflation pressure/
min.: 0 kPa (0 kgfVcm2, 0 psi),
max.: 637.5 kPa (6.48 kgfVcm2,
92.2 psi)Actual tire inflation pressure±

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