Toyota Sequoia (2005). Manual — part 268
F19884
Tire Pressure Warning Reset Switch
(harness side connector)
Tire Pressure Monitor ECU:
T18
CALSW
T17
F19144
Tire Pressure Warning Reset Switch
ON
OFF
2
1
–
DIAGNOSTICS
TIRE PRESSURE WARNING SYSTEM
DI–867
1061
14
Check harness and connector (Tire pressure warning reset switch – Tire pres-
sure monitor ECU).
PREPARATION:
Disconnect the tire pressure warning reset switch connector
T18 and tire pressure monitor ECU connector T17.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Tester Connection
Specified Condition
T17–10 (CALSW) – T18–1
Below 1
Ω
T17–10 (CALSW) – Body ground
10 k
Ω
or higher
NG
Repair or replace harness or connector.
OK
15
Inspect tire pressure warning reset switch.
PREPARATION:
Disconnect the tire pressure warning reset switch connector.
CHECK:
Measure the resistance between terminals 1 and 2 of the tire
pressure warning reset switch when the tire pressure warning
switch is ON and OFF.
OK:
Switch Condition
Specified Condition
ON
Below 1
Ω
OFF
10 k
Ω
or higher
NG
Replace tire pressure warning reset switch.
OK
F19138
Tire Pressure Monitor ECU:
T17
CALSW
GND2
DI–868
–
DIAGNOSTICS
TIRE PRESSURE WARNING SYSTEM
1062
16
Inspect tire pressure monitor ECU.
PREPARATION:
Connect the tire pressure monitor ECU T17 connector.
CHECK:
Measure the voltage according to the value(s) in the table be-
low.
OK:
Tester connection
Condition
Specified condition
T17–10 (CALSW) –
T17–16 (GND2)
IG Switch ON to OFF
8 to 16 V
NG
Repair or replace harness or connector.
OK
17
Check DTC (See page
PREPARATION:
Clear the DTCs.
CHECK:
Check for a DTC.
OK:
DTC is not output.
OK
End
NG
–
DIAGNOSTICS
TIRE PRESSURE WARNING SYSTEM
DI–869
1063
18
Replace tire pressure monitor ECU and check DTC.
PREPARATION:
(a)
Replace the tire pressure monitor ECU (see page
(b)
Clear the DTCs.
CHECK:
Check for a DTC.
OK:
DTC is not output.
NG
Replace tire pressure monitor valve sub–assy
(See page
OK
End
F19792
Combination Meter
Tire Pressure Monitor ECU
To Battery
SPD
G–O
3
T17
C5
20
IE
Instrument Panel J/B
G–O
J8
J/C
A
IF
10
1
1H
11
T17 GND
IG
W–B
W–B
T17
J17
J/C
B
B
2
DI–870
–
DIAGNOSTICS
TIRE PRESSURE WARNING SYSTEM
1064
DTC
C2191/91 Vehicle Speed Signal Error
CIRCUIT DESCRIPTION
The tire pressure monitor ECU receives a speed signal from the combination meter. This DTC is stored upon
entering test mode but erased when a vehicle speed signal of 12 mph (20 km/h) is detected for 3 seconds
or more. The DTC is output only in test mode.
DTC No.
DTC Detecting Condition
Trouble Area
C2191/91
Speed sensor circuit malfunction.
Vehicle speed sensor
Combination meter assy
Tire pressure monitor ECU
Wire harness
WIRING DIAGRAM
DIDKE–01
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст