Toyota RAV4 manuals

Toyota Sienna Service Manual: Terminals of ecu

Check tire pressure warning ecu

HINT: Inspect the connectors from the back side while the connectors are connected.

Check tire pressure warning ecu

(a) Disconnect the tire pressure warning antenna and receiver connector.

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

Check tire pressure warning ecu

(c) Connect the tire pressure warning antenna and receiver connector.

(d) Measure the voltage and resistance according to the value(s) in the table below. If the result is not as specified, the ECU may have a malfunction.

Check tire pressure warning ecu

(e) Using an oscilloscope, check the waveform 1.

(1) Waveform 1 (Reference)

Check tire pressure warning ecu

(2) Waveform 2 (Reference)

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 ...

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 (a) The ECU uses the ISO 15765-4 for communication pr ...

Other materials:

Transmission Fluid Temperature Sensor "A" Performance
DESCRIPTION The ATF (Automatic Transmission Fluid) temperature sensor converts the fluid temperature into a resistance value which is input into the ECM. MONITOR DESCRIPTION The ATF temperature sensor converts the ATF temperature to an electrical resistance value. Based on the resis ...

System description
1. POWER MIRROR CONTROL SYSTEM DESCRIPTION This system has these functions: automatic glare-resistant electrochromic (EC) mirror, electrical remote control type mirror, memory function, foot light function, and rear window defogger-linked mirror defogger. 2. FUNCTION OF MAIN COMPONENT ...

Removal
HINT:  Use the same procedures for the RH side and LH side.  The procedures listed below are for the LH side. 1. PRECAUTION CAUTION: Be sure to read "PRECAUTION" thoroughly before servicing. 2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait for 90 se ...

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