Pinpoint Test QE: Electronic Throttle Control (ETC) System: Introduction: Notes
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NOTE:
Diagnose and repair the following diagnostic trouble codes (DTCs) through
DIAGNOSTIC TROUBLE CODE (DTC) CHARTS AND DESCRIPTIONS
, and the Workshop Manual respectively before entering this pinpoint test:
- C1165
- P0102-P0104
- P0106-P0108
- P0236-P0238
- P0321
- P0715
- P0720
- P0731-P0735
- P2227-P2229
- U1027
This pinpoint test is intended to diagnose the informational powertrain control module (PCM) DTCs.
The informational DTCs are the result of limited operating strategy (LOS) or failure mode effects management (FMEM) operating strategy that maintains limited vehicle function in the event of a PCM, harness, or component concern.
Circuit DTCs can be accompanied by the informational DTCs, and should be diagnosed first. Informational DTCs without circuit DTCs may or may not indicate the actual concern and should be diagnosed as a symptom.