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Home >> Subaru >> 2007 >> Impreza WRX TR >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P1602 Control Module Programming Error >> Diagnostic Method >> Map 1
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Map 1

ENGINE COOLANT TEMPERATURE AND THRESHOLD VALUE REFERENCE CHART

Engine coolant temperature at engine start -40°C (-40°F) -30°C (-22°F) -20°C -10°C 0°C (32°F) 10°C (50°F) 20°C (68°F) 30°C (86°F) 40°C (104°F) 45°C (113°F)
Threshold Value AT model 200°C (392°F) 200°C (392°F) 200°C (392°F) 200°C (392°F) 50°C (122°F) 45°C (113°F) 42°C (108°F) 41 °C (106°F) 40°C (104°F) 38°C (100°F)
MT model 200°C (392°F) 200°C (392°F) 200°C (392°F) 200°C (392°F) 40°C (104°F) 37°C (99°F) 35°C (95°F) 34°C (93°F) 31 °C (88°F) 30°C (86°F)

Time Needed for Diagnosis:  14 seconds

Malfunction Indicator Light Illumination:  Illuminates when malfunction occurs in two continuous driving cycles.