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Toyota Sienna Service Manual: How to proceed with troubleshooting

Toyota Sienna Service Manual / Audio / visual / Audio and visual system / How to proceed with troubleshooting

1 VEHICLE BROUGHT TO WORKSHOP

2 INSPECT BATTERY VOLTAGE

Standard voltage: 11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

3 BASIC INSPECTION

  1. Turn the ignition switch ON.
  2.  Check whether or not the radio receiver turns on.

Result

Result

4 CHECK FOR DTC

  1. Check for DTCs and note any codes that are output.
  2.  Delete the DTCs.
  3.  Recheck for DTCs by simulating the operation indicated by the DTCs.

HINT:

Result

Result

5 DIAGNOSTIC TROUBLE CODE CHART

Find the output code on the diagnostic trouble code chart

6 PROBLEM SYMPTOMS TABLE

Refer to the problem symptoms table

Result

Result

7 OVERALL ANALYSIS AND TROUBLESHOOTING

  1. Terminals of ECU

8 ADJUST, REPAIR OR REPLACE

9 CONFIRMATION TEST

END

System diagram
1. DISC PLAYER OUTLINE  A CD player uses a laser pickup to read digital signals recorded on CDs. By converting the digital signals to analog, music and other content can be played. C ...

Identification of noise source
1. Radio Description  Radio frequency band  Radio broadcasts use the radio frequency bands shown in the table below. Service area  The service areas of A ...

Other materials:

Disposal
1. DISPOSE OF FRONT SEAT OUTER BELT ASSEMBLY (WHEN INSTALLED IN VEHICLE) NOTICE:  Never dispose of a front seat outer belt assembly with an deactivated pretensioner.  The seat belt pretensioner produces an exploding sound when it activates, so perform the operation outdoors w ...

Rear Occupant Classification Sensor LH Collision Detection
DTC B1787 Rear Occupant Classification Sensor LH Collision Detection DESCRIPTION DTC B1787 is output when the occupant classification ECU receives a collision detection signal sent by the rear occupant classification sensor LH if an accident occurs. DTC B1787 is also output when the front s ...

EVAP System
RELATED DTCS If any EVAP system DTCs are set, the malfunctioning area can be determined using the table below. NOTICE: If the 0.02 inch reference pressure difference between the first and second checks is greater than the specification, the DTCs corresponding to the reference pressur ...

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