Toyota Sienna Service Manual: Terminals of ecu

Parts location

HOW TO PROCEED WITH TROUBLESHOOTING 1 VEHICLE BROUGHT TO WORKSHOP 2 CUSTOMER PROBLEM ANALYSIS (a) Confirm problem symptoms. 3 CHECK AND CLEAR DTCS 4 PROBLEM SYMPTOM CONFIRMATIO ...

Diagnosis system

1. CHECK DLC3 (a) The vehicle's ECM uses the ISO 15765-4 for communication. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format. HINT: Connect the ...

Other materials:

On-vehicle inspection
1. INSPECT FUEL CUT RPM (a) Increase the engine speed to at least 3500 rpm. (b) Use a sound scope to check for injector operating sounds. (c) Check that when the throttle lever is released, injector operating sounds stop momentarily (at 2500 rpm) and then resume (at 1400 rpm). Standard ...

Sound Signal Circuit between Radio and Navigation Assembly and Stereo Component Amplifier
DESCRIPTION The radio and navigation assembly sends a sound signal to the stereo component amplifier through this circuit. The sound signal that has been sent is amplified by the stereo component amplifier, and then is sent to the speakers. If there is an open or short in the circuit, s ...

Chassis
GENERAL MAINTENANCE 1. INSPECT STEERING LINKAGE (a) Check the steering linkage for looseness or damage. Check that: Tie rod ends do not have excessive play. Dust seals and boots are not damaged. Boot clamps are not loose. (b) Inspect the dust cover for damage. 2. INSPECT STEERING G ...