Toyota RAV4 manuals

Toyota Sienna Service Manual: Terminals of ECU

1. CHECK POWER SLIDE DOOR ECU LH (WITH POWER SLIDE DOOR)

CHECK POWER SLIDE DOOR ECU LH

  1. Disconnect the P25 and P26 ECU connectors, and check the voltage and resistance of each terminal of the wire harness side connectors.

CHECK POWER SLIDE DOOR ECU LH

If the result is not as specified, there may be a malfunction on the wire harness side.

  1.  Reconnect the ECU connectors, and check the voltage of each terminal of the connectors.

CHECK POWER SLIDE DOOR ECU LH

If the result is not as specified, the ECU may have a malfunction.

2. CHECK POWER SLIDE DOOR ECU RH

CHECK POWER SLIDE DOOR ECU RH

  1. Disconnect the P27 and P28 ECU connectors, and check the voltage and resistance of each terminal of the wire harness side connectors.

CHECK POWER SLIDE DOOR ECU RH

If the result is not as specified, there may be a malfunction on the wire harness side.

  1.  Reconnect the ECU connectors, and check the voltage of each terminal of the connectors.

CHECK POWER SLIDE DOOR ECU RH

If the result is not as specified, the ECU may have a malfunction.

3. CHECK SLIDE DOOR CLOSER RELAY LH (WITHOUT POWER SLIDE DOOR)

CHECK SLIDE DOOR CLOSER RELAY LH

  1. Disconnect the S37 relay connector, and check the voltage and resistance of each terminal of the wire harness side connectors.

CHECK SLIDE DOOR CLOSER RELAY LH

If the result is not as specified, there may be a malfunction on the wire harness side.

  1.  Reconnect the relay connector, and check the voltage of each terminal of the connectors.

CHECK SLIDE DOOR CLOSER RELAY LH

If the result is not as specified, the relay may have a malfunction.

Problem symptoms table
SLIDE DOOR CLOSER SYSTEM Symptom Suspected Area Slide door closer LH does not operate (*1) ECU-B fuse Power slide door lock assembly LH Power slide do ...

Diagnosis system
1. CHECK DLC3  The vehicle's ECU uses ISO 15765-4 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format. NOT ...

Other materials:

Inspection
1. Inspect pack clearance of reverse clutch (A) install the intermediate shaft and needle roller bearing onto the transaxle rear cover. (B) using a dial indicator, measure the reverse clutch pack clearance while applying and releasing compressed air (392 kpa, 4.0 Kgf/cm2, 57 psi). Pack c ...

Occupant Classification ECU Malfunction
DTC B1795 Occupant Classification ECU Malfunction DESCRIPTION DTC B1795 is recorded when a malfunction is detected in the occupant classification ECU. Troubleshoot DTC B1771 first when the DTCs B1771 and B1795 are output simultaneously. DTC No. DTC Detecting Condition ...

Reassembly
1. INSTALL HEATER RADIATOR UNIT SUB-ASSEMBLY (a) Install the heater radiator unit sub-assembly to the air conditioning blower assembly. (b) Install the 2 O-rings to the heater water valve assembly. (c) Install the 3 screws and the heater water valve assembly. (d) Install the 2 s ...

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