Toyota RAV4 manuals

Toyota Sienna Service Manual: Perform signal check

Perform signal check

HINT:

(a) Make sure that the ignition switch is off.

(b) Connect the intelligent tester to DLC3.

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

(d) Select the SIGNAL CHECK on the intelligent tester.

HINT: Every time the test mode DTC clear conditions are satisfied, the tire pressure warning light comes on for 1 second. Then, the tire pressure warning light blinks at 0.125-second intervals.

Perform signal check

(e) Drive the vehicle at 12 mph (20 km/h) or more for 10 seconds or more to check the vehicle speed signal (C2191/91).

(f) Loosen the valve core and rapidly reduce the pressure (at least 40 kPa (0.41 kg/cm2, 5.8 psi) within 30 seconds or more) to check the transmitter data (C2181/81 to C2184/84).

HINT: The transmitter ID can be transmitted by rapidly reducing the tire pressure.

(g) Check that the tire pressure warning system test mode DTCs are erased.

(h) Check the tire pressure warning reset switch.

(1) Press the tire pressure warning reset switch.

(2) Check the tire pressure warning indicator light.

(i) Result

HINT: After the signal check is completed, check for a signal check DTC to confirm the system status

(j) End of SIGNAL CHECK

After completing the test mode (SIGNAL CHECK), turn the ignition switch off and disconnect the tester.

DTC of SIGNAL CHECK (TEST DIAGNOSIS) function: If a trouble code is displayed during the test mode DTC check, check the circuit listed for that code. For details of each code, refer to the relevant page listed under respective "DTC No." in the chart.

Enter test mode
HINT: Operation of the tire pressure warning reset switch can be checked in TEST MODE. During TEST MODE, the system is not initialized by pushing the tire pressure warning reset switch. The ...

Problem symptoms table
HINT: Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column ...

Other materials:

SM Solenoid Circuit
DTC C1225/25 SM Solenoid Circuit DESCRIPTION This solenoid turns on when receiving signals the ECU and controls the pressure acting on the wheel cylinders to control the braking force. WIRING DIAGRAM Refer to DTCs C0226/21, C0236/22, C0246/23 and C0256/24 (See page BC-105). INSPECTION PR ...

How to proceed with troubleshooting
HINT: Troubleshoot in accordance with the procedures on the following pages 1 VEHICLE BROUGHT TO WORKSHOP 2 CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK 3 INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX COMMUNICATION SYSTEM (BEAN) Use the intelligent tester to check for normal ...

Meter Illumination is Always Dark
DESCRIPTION  Confirm that the vehicle is equipped with the optitron meter, then check this circuit. The combination meter assembly receives a auto dimmer signal from the body ECU by the multiplex communication line. WIRING DIAGRAM INSPECTION PROCEDURE 1 CHECK MULTIPLEX CO ...

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