Toyota Sequoia (2005). Manual - part 264

–

DIAGNOSTICS

TIRE PRESSURE WARNING SYSTEM

DI–851

1045

12

Check DTC (See page 

DI–820

).

CHECK:
Check for a DTC.
OK:

DTC is not output.

NG

Replace tire pressure monitor ECU
(See page 

SA–20

).

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 

DI–805

).

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 

DI–805

).

A

2

Clear DTC (See page 

DI–820

).

NEXT

DIDKB–01

–

DIAGNOSTICS

TIRE PRESSURE WARNING SYSTEM

DI–853

1047

3

Check DTC (See page 

DI–820

).

CHECK:
Check for a DTC.
OK:

DTC C2171/71 is not output.

NG

Replace tire pressure monitor ECU
(See page 

SA–20

).

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 

DI–805

).

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