Performing Self-Test

WARNING: This page is about a different variant/trim than selected.

NOTE: When performing this self-test, ensure battery voltage is maintained at 10-14 volts, and that batteries and charging system are okay. If necessary, press accelerator pedal to maintain specified voltage.

To perform self-test, turn ignition off. Ensure test equipment is properly attached and that all accessories and A/C are off. If vehicle is equipped with an auxiliary powertrain control system (RPM control), it must be turned off before performing self-test. Using NGS tester, perform the following steps:

Start engine and allow it to idle.
Select VEHICLE & ENGINE SELECTION menu.
Select VEHICLE, YEAR & MODEL.
Select DIAGNOSTIC DATA LINK.
Select PCM - POWERTRAIN CONTROL MODULE.
Select DIAGNOSTIC TEST MODE.
Select KOER GLOW PLUG MONITOR SELF-TEST.
Follow operating instructions from NGS tester menu.
Maintain system voltage until test is complete.
Record DTCs and perform appropriate system test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS .