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:

Speed Signal Circuit
DESCRIPTION The clearance warning ECU receives the vehicle speed signal from the combination meter. HINT:  A voltage of 12 V or 5 V is output from each ECU and then input to the combination meter. The signal is changed to a pulse signal at the transistor in the combination meter. ...

Cruise Main Indicator Light Circuit
DESCRIPTION When the cruise control main switch is on, the CRUISE main indicator light and READY indicator light come on. This indicates the control condition (presence or absence of a vehicle in front, vehicle-to-vehicle distance, and set vehicle speed) and fail-safe state through the multip ...

Maintenance data (fuel, oil level, etc.)
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