FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Checking Relay - I




Checking Relay












- Turn the ignition switch to the ON position.
- Contact Trionic 5 OBDII.
- Activate:

Main Relay
- The engine management system's main relay (229) and idle air control valve (272) should work at a frequency of 1 Hz.
- Select the components that worked:

Engine management system's main
relay and idle air control valve
both working
- Final Check

Only engine management system's
main relay working
- Checking the Fuse - I

Neither the main relay nor the engine
management system nor the control
valve, idle working
- Checking Relay - II