Toyota RAV4 manuals

Toyota Sienna Service Manual: Tire Pressure Warning Light Circuit

DESCRIPTION

If the ECU detects trouble, the tire pressure warning light blinks (comes on after blinking for 1 minute) and tire pressure monitor is cancelled at the same time. At this time, the ECU records a DTC in the memory.

Connect terminals TC and CG of DLC3 to make the tire pressure warning light blink and output the DTC.

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE: When replacing the tire pressure warning ECU, read the transmitter IDs stored in the old 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.

HINT: This procedure must be performed according to the PROBLEM SYMPTOMS TABLE.

1 CHECK HARNESS AND CONNECTOR (COMBINATION METER - TIRE PRESSURE WARNING ECU)

CHECK HARNESS AND CONNECTOR (COMBINATION METER - TIRE PRESSURE WARNING ECU)

(a) Disconnect the C10 combination meter connector.

(b) Disconnect the T15 tire pressure warning ECU connector.

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

Standard resistance

2 INSPECT COMBINATION METER

INSPECT COMBINATION METER

(a) Disconnect the connector from the tire pressure warning ECU.

(b) Turn the ignition switch to the ON position, and check if the tire pressure warning light illuminates.

Result

REPLACE TIRE PRESSURE WARNING ECU (See page TW-87)

Tire Pressure Warning Reset Switch Circuit
DESCRIPTION The ECU enters the initialization mode and performs initialization automatically, when the tire pressure warning ECU receives the signal from the tire pressure warning reset switch. If ...

ECU Power Source Circuit
DESCRIPTION This is the power source for the tire pressure warning ECU. WIRING DIAGRAM INSPECTION PROCEDURE NOTICE: When replacing the tire pressure warning ECU, read the transmitter IDs st ...

Other materials:

Removal
HINT: On the RH side, use the same procedures as on the LH side. 1. REMOVE BACK DOOR STAY SUB-ASSEMBLY LH Remove the 2 bolts and disconnect the stay from the body panel. Using the screwdriver, disengage the clips and remove the stay from the door panel. Remove the bolt from door pa ...

Installation
1. INSTALL FRONT DRIVE SHAFT ASSEMBLY LH (a) Coat the spline of the inboard joint shaft assembly with ATF. (b) Align the shaft splines and install the drive shaft assembly with a brass bar and hammer. NOTICE: Set the snap ring with the opening side facing down. Be careful not to d ...

Rear wiper rubber
COMPONENTS REMOVAL 1. REMOVE REAR WIPER BLADE ASSEMBLY  Remove the rear wiper arm head cap from the rear wiper arm.  Raise the rear wiper blade to the position as shown in the illustration where the meshing of the claw is disengaged with the click sound. NOTICE: ...

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