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:

Vehicle Speed Sensor Malfunction
DTC P0500 Vehicle Speed Sensor Malfunction DTC P0503 Vehicle Speed Sensor "A" Intermittent / Erratic / High DESCRIPTION The cruise control system uses the same vehicle speed signal that is sent to the ECM for the SFI system. If DTC P0500 is detected, perform the diagnosis using th ...

Camshaft Position "B" - Timing Over-Advanced
DTC P0014 Camshaft Position "B" - Timing Over-Advanced or System Performance (Bank 1) DTC P0015 Camshaft Position "B" - Timing Over-Retarded (Bank 1) DTC P0024 Camshaft Position "B" - Timing Over-Advanced or System Performance (Bank 2) DTC P0025 Camshaft Position ...

Lock Switch Circuit
DESCRIPTION Each of the left and right seats has lock switches that detect the lock condition of the seat legs to the floor when the seat is in the original or folded-down state. If any of the lock switches detect an unlock condition, the 3rd SEAT indicator on the combination meter will come ...