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:

Evaporative Emission System Reference Orifice
DTC SUMMARY HINT: The 0.02 inch orifice is located inside the pump module. DESCRIPTION The circuit description can be found in the EVAP (Evaporative Emission) System (See page ES-409). INSPECTION PROCEDURE Refer to the EVAP System (See page ES-412). MONITOR DESCRIPTION 5 hours*1 af ...

Short in Side Squib RH Circuit
DTC B0110/43 Short in Side Squib RH Circuit DESCRIPTION The side squib RH circuit consists of the center airbag sensor assembly and the front seat side airbag assembly RH. The circuit instructs the SRS to deploy when deployment conditions are met. DTC B0110/43 is recorded when a short cir ...

Evaporator temperature sensor circuit
DESCRIPTION The evaporator temperature sensor (A/C thermistor) is installed on the evaporator in the air conditioning unit. It detects the temperature of the cooled air that has passed through the evaporator and its signal is used to control the air conditioning. It sends a signal to the A/C ...