Toyota RAV4 manuals

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:

Reverse Signal Circuit
DESCRIPTION The radio and navigation assembly receives a reverse signal from the park/neutral position switch. WIRING DIAGRAM INSPECTION PROCEDURE 1 INSPECT RADIO AND NAVIGATION ASSEMBLY Disconnect the radio and navigation assembly connector R12.  Measure the voltage accor ...

Diagnosis system
1. CHECK DLC3  The ECU uses the ISO 15765-4 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format. NOTICE: *: Before measuring the resistance, leave the vehicle as is for at least 1 minute and do not opera ...

Master cylinder pressure sensor check (when using intelligent tester)
(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: Ensure that the ABS warni ...

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