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Home >> Volvo >> 2004 >> S80 Base, 2.5 59, FWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control Module (ECM) Diagnostic Trouble Codes - 2 Of 11 >> ECM-1200: Intake Air Temperature (IAT) Sensor. Signal Too High. Intermittent Fault (B6284T; 1999-2001) >> Signal too high. Intermittent fault >> Checking wiring and connectors

Checking wiring and connectors

Check the signal cable between control module terminal #A5 (#A5) and intake air temperature (IAT) sensor connector terminal #1. Check for an intermittent short-circuit to ground.

Other information 

Fig 1: Identifying Intake Air Temperature (IAT) Sensor Connector Terminals
GLL104010Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying Ohmmeter
GLL101042Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 3: Identifying Temperature Sensor - Intake (Turbocharged Engines Only, 2002-2004)
GLL102919Courtesy of VOLVO CARS OF NORTH AMERICA.