Engine/Fuel Control System

ETC (Electric Throttle Control) System Troubleshooting

~1min read

Safety Protection

Item Fail-safe
ETC motor Throttle Valve Stuck at 5°
Goods and Services Tax TPS 1 Fault ECM Considers TPS2
APS 2 Fault ECM Considers TPS1
TPS 1, 2 Fault Throttle Valve Stuck at 5°
Fail-Safe: APS 1 Malfunction ECM Considers APS 2
APS 2 Malfunction ECM Considers APS 1
APS 1, 2 Fault Engine idle condition

Test yourself

A quick Hyundai i20 quiz: every answer comes with an explanation and a link to the manual page.