Toyota RAV4 manuals

Toyota Sienna Service Manual: Diagnosis system

1. CHECK BATTERY VOLTAGE

Standard voltage: 11 to 14 V

If the voltage is below 11 V, recharge the battery before proceeding.

2. CHECK DLC3

CHECK DLC3

(a) The ECU uses the ISO 15765-4 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format.

CHECK DLC3

NOTICE: *: Before measuring the resistance, leave the vehicle as is for at least 1 minute and do not operate the ignition switch, any other switches or the doors.

(b) If the result is not as specified, DLC3 may have a malfunction. Repair or replace the harness and connector.

HINT: Connect the cable of the intelligent tester to DLC3, turn the ignition switch to the ON position and attempt to use the tester. If the display indicates that a communication error has occurred, there is a problem either with the vehicle or with the tester.

3. DIAGNOSIS SYSTEM

(a) DTCs (Normal mode) (1) DTCs are memorized in the tire pressure warning ECU and read by the blinks of the tire pressure warning light or by using the intelligent tester (See page TW-34).

(b) Test mode

(1) By switching from normal mode into test mode (input signal check), you can inspect the tire pressure warning antenna and receiver, each tire pressure warning valve and transmitter, and vehicle speed sensor (See page TW-25).

(c) When there is a problem with the tire pressure warning system, the tire pressure warning light blinks at 0.5-second intervals, and turns on after 1 minute.

4. CHECK TIRE PRESSURE WARNING LIGHT

CHECK TIRE PRESSURE WARNING LIGHT

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

(b) Check that the tire pressure warning light comes on for 3 seconds.

If the warning check result is not normal, proceed to the troubleshooting for the tire pressure warning light circuit.

5. TIRE PRESSURE WARNING LIGHT AND INDICATOR CHART

HINT: The table below indicates the state of the tire pressure warning light and indicator after the ignition switch ON.

 TIRE PRESSURE WARNING LIGHT AND INDICATOR CHART

TIRE PRESSURE WARNING LIGHT AND INDICATOR CHART

*1: Comes on and goes off repeatedly at 0.5-second intervals, and comes on after 1 minute.

TIRE PRESSURE WARNING LIGHT AND INDICATOR CHART

*2: Comes on and goes off repeatedly at 0.125-second intervals.

TIRE PRESSURE WARNING LIGHT AND INDICATOR CHART

*3: Blinks 3 times (1 second on, 1 second off).

TIRE PRESSURE WARNING LIGHT AND INDICATOR CHART

*4: Comes on and goes off repeatedly at 0.25-second intervals.

Terminals of ecu
Check tire pressure warning ecu HINT: Inspect the connectors from the back side while the connectors are connected. (a) Disconnect the tire pressure warning antenna and receiver connector. ...

Dtc check / clear
1. DTC CHECK (USING SST CHECK WIRE) (a) Check DTCs. (1) Turn the ignition switch off. (2) Using SST, connect terminals TC and CG of DLC3. SST 09843-18040 (3) Turn the ignition switch to ...

Other materials:

On-vehicle inspection
1. FRONT SEAT SIDE AIRBAG ASSEMBLY (VEHICLE NOT INVOLVED IN COLLISION)  Perform a diagnostic system check.  With the front seat side airbag assembly installed on the vehicle, perform a visual check. If there are any defects as mentioned below, replace the front seatback as ...

Driving position memory
Your preferred driving position (the position of the driver’s seat and outside rear view mirrors) can be recalled by pressing a button. Two different driving positions can be recorded into memory. Recording procedure Check that the shift lever is in P. Turn the engine switch to IGNI ...

Rear Air Conditioning Relay Circuit
DESCRIPTION The RR A/C relay is switched on by signals from the A/C amplifier. It supplies power to the rear blower motor. WIRING DIAGRAM INSPECTION PROCEDURE 1 INSPECT RELAY (RR A/C) (a) Remove the RR A/C relay from the No. 3 relay block. (b) Measure the resistance according to t ...

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