Description
Following procedures are functional tests of EEC-V system. These basic test steps must be followed in sequence to avoid misdiagnosis.
- Visual Check
- Equipment Hookup
- «KOEO SELF-TEST»(ref-23596-S01998098192001010300000) (Key On, Engine Off)
- «KOER SELF-TEST»(ref-23596-S13425330952001010300000) (Key On, Engine Running)
- Computed Timing Check
- Continuous Memory Self-Test
GENERIC OBD-II PARAMETER IDENTIFICATION (PID)
Turn ignition switch to OFF position. Ensure test equipment is properly attached. Program scan tester using the following steps
- Select vehicle and engine selection menu (optional). (Схема №3)
- Select year, engine, model and any additional information requested by scan tester (optional).
- Select GENERIC OBD-II OPTIONS. Press CONT button if monitors are not complete.
- Select PID/DATA MONITOR.
- Turn ignition on or start engine and allow to idle.
- Follow operating instructions from scan tester menu.
- Select PIDs and press START.
NON-GENERIC OBD-II PARAMETER IDENTIFICATION (PID)
Turn ignition switch to OFF position. Ensure test equipment is properly attached. Program scan tester using the following steps
- Select vehicle and engine selection menu. (Схема №3)
- Select year, engine, model and any additional information requested by scan tester.
- Select GENERIC OBD-II OPTIONS. Press CONT button if monitors are not complete.
- Select DIAGNOSTIC DATA LINK.
- Select PCM - POWERTRAIN CTRL MODULE.
- Select DIAGNOSTIC TEST MODES.
- Select PID DATA MONITOR AND RECORD.
- Turn ignition on or start engine and allow to idle.
- Follow operating instructions from scan tester menu.
- Select PIDs and press START.
HARDWARE LIMITED OPERATIONAL STRATEGY (HLOS)
If a number of system or sensor failures are present and PCM is not receiving enough information to operate, PCM will switch to HLOS mode. PCM will output fixed values to allow operation of vehicle. Driveability concerns will be present. PCM will not output diagnostic trouble codes in this mode.