Toyota Sienna Service Manual: Terminals of ECU

Problem symptoms table

HINT: Proceed to the troubleshooting for each circuit in the table below. Occupant Classification System Symptom Suspected area The front passenger seat condition differ ...

Diagnosis system

1. CHECK DLC3  The ECU uses ISO 15765-4 for communication. The terminal arrangement of the DLC3 complies with SAE J1962 and meets the ISO 15765-4 format. NOTICE: *: Before measuri ...

Other materials:

Removal
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 2. REMOVE V-BANK COVER SUB-ASSEMBLY (See page EM-28) 3. REMOVE PURGE VSV (a) Disconnect the purge VSV connector. (b) Disconnect the 2 purge line hoses from the purge VSV. (c) Remove the purge VSV from the air cleaner hose. (d) R ...

Open in Side Squib RH Circuit
DTC B0111/44 Open 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 B0111/44 is recorded when an open circ ...

Open in Curtain Shield Squib LH Circuit
DTC B1166/88 Open in Curtain Shield Squib LH Circuit DESCRIPTION The curtain shield squib LH circuit consists of the center airbag sensor assembly and the curtain shield airbag assembly LH. The circuit instructs the SRS to deploy when deployment conditions are met. DTC B1166/88 is recorde ...