Toyota RAV4 manuals

Toyota Sienna Service Manual: Check for intermittent problems



For use of the intelligent tester only: Inspect the vehicle's ECM using check mode.

Intermittent problems are easier to detect with an intelligent tester when the ECM is in check mode. In check mode, the ECM uses 1 trip detection logic, which is more sensitive to malfunctions than normal mode (default), which uses 2 trip detection logic.

(a) Clear the DTCs (See page ES-39).

(b) Switch the ECM from normal mode to check mode using an intelligent tester (See page ES-43).

(c) Perform a simulation test (See page IN-35).

(d) Check and wiggle the harness(es), connector(s) and terminal(s) (See page IN-30).

How to proceed with troubleshooting
HINT: The intelligent tester can be used in steps 2, 3, 4, 6 and 9. 1 VEHICLE BROUGHT TO WORKSHOP 2 CONNECT INTELLIGENT TESTER TO DLC3 HINT: If the display indicates a communication fault in th ...

Basic inspection
When a malfunction is not confirmed by the DTC check, troubleshooting should be carried out in all circuits considered to be possible causes of the problem. In many cases, by carrying out the basic ...

Other materials:

Dtc check / clear
1. DTC CHECK/CLEAR (WHEN USING SST CHECK WIRE): (a) DTC check (1) Using SST, connect terminals TC and CG of the DLC3. SST 09843-18040 (2) Turn the ignition switch to the ON position. (3) Read the DTCs from the ABS warning light on the combination meter. HINT: If no code appears, inspe ...

1. REMOVE FRONT DOOR WINDOW FRAME MOULDING Remove the screw. Using a heat light, heat the front door window frame moulding between 40 to 60 C (104 to 140 F). NOTICE: Do not heat the front door window frame moulding excessively. Slide the front door window frame moulding upward ...

HINT: Remove the RH by the same procedure as the LH side. 1. REMOVE REAR WHEEL 2. SEPARATE SKID CONTROL SENSOR WIRE (a) Disconnect the connector from the skid control sensor. 3. REMOVE REAR BRAKE DRUM SUB-ASSEMBLY (for Drum Type) (a) Place matchmarks on the rear brake drum subassembly a ...

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