Toyota Sienna Service Manual: How to proceed with troubleshooting

Toyota Sienna Service Manual / Engine hood / door / Slide door closer system / How to proceed with troubleshooting

HINT: Troubleshoot in accordance with the procedures on the following pages

1 VEHICLE BROUGHT TO WORKSHOP

2 CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK

3 INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX COMMUNICATION SYSTEM (BEAN)

Use the intelligent tester to check for normal function of the multiplex communication system.

(ECU unconnected, communication line malfunctioning) Without code outputs, proceed to A.
(ECU unconnected, communication line malfunctioning) With code outputs, proceed to B.

4 PROBLEM SYMPTOMS TABLE

When problem is not listed on problem symptoms table, proceed to A.
When problem is listed on problem symptoms table, proceed to B.

5 PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM

Data List / Active Test.
Terminals of ECU

6 ADJUST, REPAIR OR REPLACE AND RESET SLIDE DOOR SYSTEM

END

Initialization

1. RESET Reset the power slide door system: The power slide door ECU records the fully open position of the power slide door in its memory and the power slide door fully opens and clos ...

Other materials:

Disassembly
1. REMOVE TRANSFER COVER GASKET (a) Remove the transfer gasket from the transfer assembly. 2. REMOVE TRANSFER CASE BREATHER PLUG (a) Using a screwdriver and a hammer, remove the transfer case breather plug from the No. 1 transfer case cover. NOTICE: Be careful not to damage the conta ...

Automatic transaxle fluid
On-vehicle inspection 1. CHECK FLUID LEVEL HINT: Drive the vehicle so that the engine and transaxle are at normal operating temperature. Fluid temperature: 70 to 80°C (158 to 176°F) (a) Park the vehicle on a level surface and set the parking brake. (b) With the engine idling and the ...

Reassembly
1. INSTALL LOWER RADIATOR GRILLE Engage the 16 claws to install the lower radiator grille to the front bumper cover. 2. INSTALL FRONT BUMPER HOLE COVER LH (w/o Fog Light) Engage the 2 pins to install the front bumper hole cover LH to the front bumper cover. 3. INSTALL FRON ...