Toyota Sequoia (2005). Manual — part 264
–
DIAGNOSTICS
TIRE PRESSURE WARNING SYSTEM
DI–851
1045
12
Check DTC (See page
CHECK:
Check for a DTC.
OK:
DTC is not output.
NG
Replace tire pressure monitor ECU
(See page
OK
End
DI–852
–
DIAGNOSTICS
TIRE PRESSURE WARNING SYSTEM
1046
DTC
C2171/71 Transmitter ID Not Registered
CIRCUIT DESCRIPTION
This DTC is output when an transmitter ID cannot be registered.
DTC No.
DTC Detecting Condition
Trouble Area
C2171/71
Transmitter ID code is not registered.
(When an ID code is unregistered for 51 minutes or more.)
Tire pressure monitor ECU
INSPECTION PROCEDURE
NOTICE:
It is necessary to register an ID code after replacing the tire pressure monitor valve sub–assy and/or
the tire pressure monitor ECU (see page
HINT:
Set the tire pressure to the specified value.
1
Check tire pressure warning lamp.
PREPARATION:
Turn the ignition switch to the ON position.
CHECK:
Check the tire pressure warning lamp.
RESULT:
Does not blink
A
Comes on and goes off repeatedly at 0.5 second intervals
B
B
Registration of transmitter ID
(See page
).
A
2
Clear DTC (See page
NEXT
DIDKB–01
–
DIAGNOSTICS
TIRE PRESSURE WARNING SYSTEM
DI–853
1047
3
Check DTC (See page
CHECK:
Check for a DTC.
OK:
DTC C2171/71 is not output.
NG
Replace tire pressure monitor ECU
(See page
OK
4
Confirm that ID registration is complete.
PREPARATION:
Perform the ”CONFIRMATION OF TRANSMITTER ID REGISTRATION” procedure.
(Refer to step 4 of REGISTRATION on page
).
CHECK:
Confirm that the transmitter ID is registered.
NEXT
End
DI–854
–
DIAGNOSTICS
TIRE PRESSURE WARNING SYSTEM
1048
DTC
C2176/76 Receiver error
CIRCUIT DESCRIPTION
This DTC is output when signals from the tire pressure monitor receiver stop.
DTC No.
DTC Detecting Condition
Trouble Area
C2176/76
DTC is stored when either of the following is detected:
Malfunction in tire pressure monitor ECU internal circuit.
Terminal RF5V is shorted to ground.
Tire pressure monitor receiver assy
Tire pressure monitor ECU
Wire harness
DIDKC–01
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