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:

Before driving
Floor mat Use only floor mats designed specifically for vehicles of the same model and model year as your vehicle. Fix them securely in place onto the carpet. Insert the retaining hooks (clips) into the floor mat eyelets. Turn the upper knob of each retaining hook (clip) to secu ...

Operation check
1. DETECTION RANGE MEASUREMENT AND INDICATOR CHECK Turn the IG switch ON. Move the shift lever to the R position (when the back sonar and rear clearance sonar is checked). With front clearance sonar: Move the shift lever to the N position (when the front clearance son ...

Freeze frame data
1. DESCRIPTION The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can be helpful in determining whether the vehicle was running or stopped, whether the engine was warmed up or not, whe ...