Component Inspection

Component Inspection

1. Check TPS
(1) Ignition "ON" & ENG "OFF".
(2) Monitor signal waveform of TPS by stepping on and off the accelerator pedal on scantool
A. Specification :









(3) Is the measured signal waveform O.K?
YES
- Substitute with a known-good ECM and check for proper operation. If the problem is corrected, replace ECM and then go to "Verification of Vehicle Repair" procedure.

CAUTION:
There is a memory reset function on scantool that can erase optional parts automatically detected and memorized by ECM.
Before or after testing ECM on the vehicle, use this function to reuse the ECM on the others

NO
- Substitute with a known-good TPS and check for proper operation. If the problem is corrected, replace TPS and then go to "Verification of Vehicle Repair" procedure.
(After replacing ETC, do initialization of ETC as follows)
** Procedure of ETS Initialization
1. Erase the trouble codes on ECM
2. Turn the ignition key off and keep this condition until the main relay is turned off. (It will takes 10 sec.)
3. Turn ignition key on more than 1 second to record the throttle motor position on the EEPROM