Toyota RAV4 manuals

Toyota Sienna Service Manual: How to proceed with troubleshooting

Toyota Sienna Service Manual / Seat / Front power seat control system / How to proceed with troubleshooting

HINT:

1 VEHICLE BROUGHT TO WORKSHOP

2 CUSTOMER PROBLEM ANALYSIS CHECK AND PROBLEM SYMPTOM CHECK

3 CHECK COMMUNICATION FUNCTION OF MULTIPLEX COMMUNICATION SYSTEM (BEAN)

  1. Use the intelligent tester to check for normal function of the multiplex communication system.
  1. (Position control ECU and switch assembly (power seat control switch and ECU) not connected, communication line malfunctioning) If no code is output, proceed to A.
  2.  (Position control ECU and switch assembly (power seat control switch and ECU) not connected, communication line malfunctioning) If any code is output, proceed to B.

4 PROBLEM SYMPTOMS TABLE

  1. If the fault is not listed on the problem symptoms table, proceed to A.
  2.  If the fault is listed on the problem symptoms table, proceed to B.

5 OVERALL ANALYSIS AND TROUBLESHOOTING

  1. DATA LIST/ACTIVE TEST.
  1.  Inspection with the intelligent tester (DATA LIST).
  2. Inspection with the intelligent tester (ACTIVE TEST).
  1.  Terminals of ECU.
  2.  Inspection.

6 ADJUST, REPAIR OR REPLACE

7 CONFIRMATION TEST

END

System description
1. GENERAL DESCRIPTION  The power seat control system is equipped with the following function:  The front seats are equipped with electric adjuster slide, reclining, lifter, fr ...

Problem symptoms table
HINT:  Inspect the fuse and relay before confirming the suspected areas in the table below.  Inspect each suspected area in numerical order for the corresponding symptom. If the ...

Other materials:

Register transmitter id (using intelligent tester)
(a) Connect the intelligent tester to DLC3 (Procedure "A"). (b) Turn the ignition switch to the ON position (Procedure "B"). (c) Select the REGIST TIRE following the intelligent tester screen (UTILITY - REGIST TIRE) (Procedure "C"). (d) Input the IDs (ID1 t ...

Reassembly
1. INSTALL PLANETARY GEAR (a) Apply grease to the planetary gears and pin parts of the planetary shaft. (b) Install the 3 planetary gears. 2. INSTALL STARTER ARMATURE ASSEMBLY (a) Apply grease to the plate washer and the armature shaft. (b) Install the starter armature to the star ...

Coolant
Replacement 1. REMOVE NO. 1 ENGINE UNDER COVER (See page EM-26) 2. REMOVE V-BANK COVER SUB-ASSEMBLY (See page EM-28) 3. DRAIN ENGINE COOLANT (a) Loosen the radiator drain cock plug. HINT: Collect the coolant in a container and dispose of it according to the regulations in your area. (b ...

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