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Toyota Sienna Service Manual: How to proceed with troubleshooting

Toyota Sienna Service Manual / Theft deterrent / Theft deterrent system / How to proceed with troubleshooting

HINT:

1 VEHICLE BROUGHT TO WORKSHOP

2 CUSTOMER PROBLEM ANALYSIS

  1. Interview the customer to confirm the trouble

3 INSPECT COMMUNICATION FUNCTION OF MULTIPLEX COMMUNICATION SYSTEM (BEAN)

  1. Use the intelligent tester to check for normal function of the multiplex communication system.
  1.  (ECU unconnected, communication line malfunctioning) Without code output, proceed to A.
  2.  (ECU unconnected, communication line malfunctioning) With code output, proceed to B.

4 SYMPTOM SIMULATION

5 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.

6 PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM

  1. Terminals of ECU
  2.  System description

7 ADJUST, REPAIR OR REPLACE

8 CONFIRMATION TEST

END

System description
1. OUTLINE OF THEFT DETERRENT SYSTEM  When the theft deterrent system detects that the vehicle is being tampered with, the system sets off the alarm, causing the horns to sound and the li ...

Customize parameters
HINT: The following items can be customized. NOTICE:  After confirming whether the items requested by the customer are applicable or not for customization, perform customizing operation ...

Other materials:

Removal
1. PRECAUTION CAUTION: Be sure to read "PRECAUTION" thoroughly before servicing. 2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait for 90 seconds after disconnecting the cable to prevent the airbag working. 3. REMOVE STEERING WHEEL NO.3 COVER LOWER  Using a ...

Installation
1. INSTALL SIDE REAR WINDOW WEATHERSTRIP LH 2. INSTALL QUARTER WINDOW LOCK ASSEMBLY LH 3. INSTALL POWER VENT WINDOW MOTOR ASSEMBLY LH 4. INSTALL SIDE WINDOW ASSEMBLY REAR LH 5. INSTALL RR WINDOW SIDE GARNISH ASSEMBLY LH 6. INSTALL RR WINDOW SIDE GARNISH ASSEMBLY NO.2 LH 7. REMOVE QUARTER TR ...

Master cylinder pressure sensor check (when using sst check wire)
(a) Leave the vehicle in a stationary condition and release the brake pedal for 1 second or more, and quickly depress the brake pedal with a force of 98 N (10 kgf, 22 lbf) or more for 1 second or more. (b) Check the ABS warning light stays on for 3 seconds. HINT: At this time, the ABS wa ...

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