Toyota RAV4 manuals

Toyota Sienna Service Manual: How to proceed with troubleshooting

HINT: *: Use the intelligent tester.

1 VEHICLE BROUGHT TO WORKSHOP

2 CUSTOMER PROBLEM ANALYSIS

  1. Confirm problem symptoms

3 CHECK MULTIPLEX COMMUNICATION SYSTEM*

  1. Check if the multiplex communication system DTC is output.

HINT: The center airbag sensor assembly of this system is connected to the multiplex communication system.

Therefore, before starting troubleshooting, make sure to check that there is no trouble in the multiplex communication system.

Result:

Result:

4 CHECK CAN COMMUNICATION SYSTEM

  1. Use the intelligent tester to check if the CAN communication system is functioning normally .

HINT: The ECM is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the CAN communication system.

Result:

Result:

Result:

5 SRS WARNING LIGHT CHECK

  1. Proceed to Diagnosis System

6 CHECK FOR DTC*

  1. Proceed to DTC Check / Clear.

Result:

7 DIAGNOSTIC TROUBLE CODE CHART

  1. Proceed to Diagnostic Trouble Code Chart

8 SYMPTOM SIMULATION

  1. Proceed to Diagnosis System

9 PROBLEM SYMPTOMS TABLE

  1. Proceed to Problem Symptoms Table

10 CIRCUIT INSPECTION*

11 IDENTIFICATION OF PROBLEM

12 REPAIR OR REPLACEMENT

13 CONFIRMATION TEST

END

System description
1. GENERAL  In conjunction with impact absorbing structure for a frontal collision, the SRS (Supplemental Restraint System) driver airbag and front passenger airbag were designed to sup ...

Problem symptoms table
HINT: Proceed to the troubleshooting for each circuit in the table below. AIRBAG SYSTEM Symptom Suspected Area The SRS warning light goes off after the primary check, ...

Other materials:

If your vehicle needs to be towed
If towing is necessary, we recommend having your vehicle towed by your Toyota dealer or commercial towing service, using a wheel-lift type truck or flat bed truck. Use a safety chain system for all towing, and abide by all state/ provincial and local laws. 2WD models: If towing your vehicle ...

Inspection
1. INSPECT BRAKE VACUUM CHECK VALVE ASSEMBLY (a) Check the vacuum check valve. (1) Slide the clip and disconnect the vacuum hose. (2) Remove the vacuum check valve. (3) Check that there is ventilation from the booster to the engine, and no ventilation from the engine to the booster. ...

Disassembly
1. REMOVE FRONT DIFFERENTIAL RING GEAR (a) Place matchmarks on the front differential ring gear and differential case. (b) Remove the 14 bolts. (c) Using a plastic hammer, tap on the front differential ring gear to remove it from the case. 2. REMOVE FRONT DIFFERENTIAL CASE FRONT TA ...

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