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:

Data list / active test
1. READ DATA LIST HINT: Using the intelligent tester's DATA LIST allows switch, actuator and other item values to be read without removing any parts. Reading the DATA LIST early in troubleshooting is one way to save time.  Connect the intelligent tester with CAN VIM to the DLC3. &n ...

Inspection
1. INSPECT OIL PUMP RELIEF VALVE (a) Coat the relief valve with engine oil and check that it falls smoothly into the valve hole under its own weight. If the valve does not fall smoothly, replace the relief valve. If necessary, replace the oil pump assembly. 2. INSPECT OIL PUMP ROTOR SET ...

Heated oxygen sensor (for 2wd)
Components Removal 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait at least 90 seconds after disconnecting the cable from the nagative (-) battery terminal to prevent airbag and seat belt pretensioner activation. 2. REMOVE HEATED OXYGEN SENSOR (for Bank ...

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