Toyota Sienna Service Manual: How to proceed with troubleshooting

Toyota Sienna Service Manual / Engine hood / door / Power slide door 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 DTC CHECK

Check for a diagnostic trouble code.

Without code outputs, proceed to A.
With code outputs, proceed to B.

5 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.

6 PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM

Data List / Active Test.
Operation check.
Inspection.
Terminals of ECU

7 ADJUST, REPAIR OR REPLACE

8 RESET POWER SLIDE DOOR SYSTEM

9 CONFIRMATION TEST

END

Operation check

NOTICE: Inspection should be started after conforming that the items listed in the "CUSTOMIZE PARAMETER" for the power slide door system have defaulted to the initial settings. 1. CHECK ...

Other materials:

Stowing the third seats (manual seats)
Before stowing or returning third seat, remove any items from the floor area to prevent interference with moving parts. Before stowing the third seats Lower the center head restraint to the lowest position , and stow the seat belt buckles. Stow the center seat belt. Stowing ...

Diagnostic trouble code chart
If a trouble code is displayed during the DTCs check (sensor check), check the circuit listed for the code in the table below (Proceed to the page given for that circuit). AIR CONDITIONING SYSTEM HINT: *1: If the cabin temperature is approximately -18.6°C (- 3.7°F) or lo ...

Components
REMOVAL 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 2. REMOVE FRONT BUMPER ASSEMBLY 3. REMOVE FOG LIGHT ASSEMBLY Disengage the 2 claws Disengage the 2 pins and remove the fog light assembly. DISASSEMBLY 1. REMOVE FOG LIGHT BULB Turn in the dir ...