Toyota Yaris: Setup / When Replacing Or Removing/installing Parts

When Disconnecting Or Reconnecting Battery Terminal

Automatic Learning ChartAUTOMATIC LEARNING CHART AUTOMATIC LEARNING PERFORMED WHEN CABLE IS DISCONNECTED / RECONNECTED TO AUXILIARY BATTERY TERMINAL When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating...

Ecu Configuration

ECU CONFIGURATION STABILIZE A POWER SOURCE ON THE VEHICLE SIDE Shut off as many following systems and parts as possible since they would generate an electrical load...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Lost Communication with ECM/PCM "A" Missing Message (U010087,U012087,U012687,U012987,U015187,U015587,U016487,U016887)

DESCRIPTION These DTCs are stored if a CAN communication malfunction occurs between the main body ECU (multiplex network body ECU) and other ECUs. DTC No. Detection Item DTC Detection Condition Trouble Area U010087 Lost Communication with ECM/PCM "A" Missing Message The main body ECU (multiplex network body ECU) does not receive data from the ECM for approximately 10 seconds or more...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Power Source Control System Missing Message (B278C87)

DESCRIPTION When an internal malfunction is detected in the certification ECU (smart key ECU assembly), this DTC is stored. DTC No. Detection Item DTC Detection Condition Trouble Area B278C87 Power Source Control System Missing Message An internal malfunction occurs in the certification ECU (smart key ECU assembly)...