Toyota Sienna Service Manual: How to proceed with troubleshooting

Check and replace ecu

NOTICE: • The connector should not be disconnected from the ECU. Perform the inspection from the backside of the connector on the wire harness side. • When no measuring condition is s ...

Operation flow

HINT: Perform troubleshooting in accordance with the procedures below. The following is an outline of basic troubleshooting procedures. Confirm the troubleshooting procedures for the circuit you a ...

Other materials:

Warning light and indicator light bulb check
(a) Check the warning lights. (1) Release parking brake pedal. (2) When the ignition switch is turned to the ON position, check that the ABS warning light, BRAKE warning light, VSC warning light, TRAC OFF indicator light (2WD) and SLIP indicator light stay on for approx. 3 seconds. HI ...

Registration Complete Indication Error/ Registration Demand Transmission/ Multiple Frame Incomplete
DTC 01-E0 Registration Complete Indication Error DTC 01-E3 Registration Demand Transmission DTC 01-E4 Multiple Frame Incomplete DESCRIPTION DTC No. DTC Detection Condition Trouble Area 01-E0 "Registration complete" signal from the master device c ...

Passenger Side Outer Mirror ECU
DTC B1208 Passenger Side Outer Mirror ECU DESCRIPTION This DTC is detected when communication between the outer mirror control ECU RH and multiplex network gateway ECU stops for more than 10 seconds. DTC No. DTC Detecting Condition Trouble Area B1208 Pa ...