Toyota Yaris: Manual Transaxle System / Check For Intermittent Problems

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: The ECM of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, be sure to check that there are no malfunctions in the CAN communication system...

Road Test

ROAD TEST ROAD TEST (a) Check for DTCs. Click here Powertrain > Engine > Trouble Codes HINT: When DTCs are output, perform troubleshooting for each DTC...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Fuel Pump Control General Electrical Failure (P12D501)

DESCRIPTION Refer to DTC P062712. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note P12D501 Fuel Pump Control General Electrical Failure When the fuel pump control ECU operation duty ratio is 3 to 65%, the fuel pump control ECU detects a short in the fuel pump circuit for 3 seconds or more (1 trip detection logic)...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: On-vehicle Inspection

ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT NO. 1 TURBO PRESSURE SENSOR (a) Check the terminal voltage. (1) Disconnect the No. 1 turbo pressure sensor connector. (2) Turn the ignition switch to ON. (3) Measure the voltage according to the value(s) in the table below...