Diagnostic Aids

Scan tester does not have ability to help diagnose a Code 42 problem. See INTERMITTENTS in TESTS W/O CODES article in this section.

Fig 1: Code 42 Schematic (2.2L "L" Body) EST Circuit Open Or Grounded

Fig 2: Code 42 Schematic (2.2L "A" Body) EST Circuit Open Or Grounded

Fig 3: Code 42 Schematic (2.2L "W" Body) EST Circuit Open Or Grounded

Fig 4: Code 42 Schematic (2.2L "J" Body) EST Circuit Open Or Grounded

Fig 5: Code 42 Flow Chart EST Circuit Open Or Grounded