Toyota Sienna Service Manual: Terminals of ECU

Problem symptoms table

HINT: Proceed to troubleshooting of each circuit in the table below. 1. HEADLIGHT AND TAIL LIGHT SYSTEM 2. AUTOMATIC LIGHT CONTROL SYSTEM 3. LIGHT AUTO TURN OFF SYSTEM 4. FOG LIGHT SY ...

DTC check / clear

1. USING INTELLIGENT TESTER  Hook up the intelligent tester to the DLC3.  Monitor the ECU data by following the prompts on the tester screen. HINT: intelligent tester has "S ...

Other materials:

Radio Broadcast cannot be Received or Poor Reception
INSPECTION PROCEDURE 1 CHECK RADIO AND NAVIGATION ASSEMBLY Check the radio's automatic station search function. Check the radio's automatic station search function by activating it. OK: The radio's automatic station search function works properly. 2 INSPECT RADIO AND NAVIGATION AS ...

Starter Relay Circuit High
DTC P0617 Starter Relay Circuit High MONITOR DESCRIPTION While the engine is being cranked, the positive battery voltage is applied to terminal STA of the ECM. If the ECM detects the Starter Control (STA) signal while the vehicle is being driven, it determines that there is a malfunction i ...

Removal
1. Disconnect cable from negative battery terminal 2. REMOVE STEERING COLUMN COVER LOWER (A) insert the key into the ignition key cylinder and release the steering lock. (B) turn the steering wheel clockwise to gain access to the screw and remove the screw. (c) Turn the steering whe ...