Toyota Sienna Service Manual: Receiver Error

DTC C2176/76 Receiver Error

DESCRIPTION

The signals are transmitted to the tire pressure warning antenna and receiver on the body as radio waves and then sent to the tire pressure warning ECU.

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE:

• When replacing the tire pressure warning ECU, read the IDs stored in the ECU using the intelligent tester and write them down before removal.
• It is necessary to perform initialization (See page TW-23) after registration (See page TW-20) of the transmitter IDs into the tire pressure warning ECU after the ECU has been replaced.

1 CHECK HARNESS AND CONNECTOR (ECU - RECEIVER)

(a) Disconnect the T15 ECU connector.

(b) Disconnect the T16 receiver connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard resistance

2 CHECK TIRE PRESSURE WARNING ECU

(a) Reconnect the T15 ECU connector.

(b) Turn the ignition switch to the ON position.

(c) Measure the voltage according to the value(s) in the table below.

Standard voltage

REPLACE TIRE PRESSURE WARNING ANTENNA AND RECEIVER (See page TW-81)