Toyota Yaris: Airbag System / Check Mode Procedure

HINT:

• DTCs can be detected more sensitively in check mode than in normal diagnosis mode.
• Perform check mode inspection when DTCs were not output through normal diagnosis mode inspection regardless of whether a malfunction in a squib circuit is suspected.

Freeze Frame Data

FREEZE FRAME DATA DESCRIPTION (a) When an airbag system DTC is stored, the airbag sensor assembly stores the current vehicle (ECU, sensor or squib) state as Freeze Frame Data...

Data List / Active Test

DATA LIST / ACTIVE TEST DATA LIST CAUTION: Never measure the resistance of the SRS parts because current from the tester may cause the SRS parts to deploy...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Lost Communication with ECM/PCM "A" Missing Message (U010087,U012987,U014087,U015587,U110387,U111787)

DESCRIPTION These DTCs are stored when there is a CAN communication malfunction between the certification ECU (smart key ECU assembly) and ECM, main body ECU (multiplex network body ECU) or combination meter assembly. DTC No. Detection Item DTC Detection Condition Trouble Area Note U010087 Lost Communication with ECM/PCM "A" Missing Message CAN communication malfunction between certification ECU (smart key ECU assembly) and ECM (1-trip detection logic*) ECM Turn the ignition switch to ON and wait at least 10 seconds...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Terminals Of Ecu

TERMINALS OF ECU CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY (a) Disconnect the L13 multiplex network master switch assembly connector. (b) Measure the voltage and resistance according to the value(s) in the table below. HINT: Measure the values on the wire harness side with the connector disconnected...