Toyota Sienna Service Manual: ROM Error/ RAM Error

Diagnostic trouble code chart

COMMUNICATION DIAGNOSIS: SW: SW WITH NAME: SW CONVERTING: COMMAND SW: FRONT MONITOR: DVD PLAYER: TELEPHONE: NAVI: IN-DASH CD CHANGER: GPS: CAMERA U ...

Absence of Registration Unit/ No Response for Connection Check/ Last Mode Error/ No Response Against ON / OFF Command/ Mode Status Error/ Slave Reset

DTC 01-D5 Absence of Registration Unit DTC 01-D8 No Response for Connection Check DTC 01-D9 Last Mode Error DTC 01-DA No Response Against ON / OFF Command DTC 01-DB Mode Status Error DTC 01-DE Sl ...

Other materials:

How to proceed with troubleshooting
HINT: Troubleshoot in accordance with the procedures on the following pages. 1 VEHICLE BROUGHT TO WORKSHOP 2 CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK 3 INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX COMMUNICATION SYSTEM (BEAN) Use the intelligent tester to check for norma ...

Diagnosis system
1. CHECK DLC3  The vehicle's ECU uses ISO 15765-4 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format. NOTICE: *: Before measuring the resistance, leave the vehicle as is for at least 1 minute and do ...

Active head restraints
When the occupant’s lower back presses against the seatback during a rear-end collision, the head restraint moves slightly forward and upward to help reduce the risk of whiplash on the seat occupant Active head restraints Even small forces applied to the seatback may cause the head rest ...