Engine Performance Diagnostic Trouble Code (DTC) Diagnostics - 2 Of 14 (Convertible)

• EFI-242: Turbocharger (TC) Control Valve. Signal Missing. Intermittent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-242
  • Signal missing. Intermittent fault
    • Notes
    • Checking cables and terminals
    • Information
      • Fault-tracing information
• EFI-242: Turbocharger (TC) Control Valve. Signal Missing. Permanent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-242
  • Signal missing. Permanent fault
    • Notes
    • Checking power cable
    • Checking for an open-circuit
    • Checking the signal cable
    • Checking turbocharger (TC) control valve
    • Checking for contact resistance and oxidation
    • Replacing Turbocharger (TC) Control Valve
    • Checking control module connector
    • Fault-tracing information
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• EFI-242: Turbocharger (TC) Control Valve. Signal Too High. Intermittent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-242
  • Signal too high. Intermittent fault
    • Notes
    • Checking cables and terminals
    • Information
      • Fault-tracing information
• EFI-242: Turbocharger (TC) Control Valve. Signal Too High. Permanent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-242
  • Signal too high. Permanent fault
    • Notes
    • Checking turbocharger (TC) control valve
    • Checking for a short-circuit
    • Replacing Turbocharger (TC) Control Valve
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• EFI-242: Turbocharger (TC) Control Valve. Signal Too Low. Intermittent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-242
  • Signal too low. Intermittent fault
    • Notes
    • Checking cables and terminals
    • Information
      • Fault-tracing information
• EFI-242: Turbocharger (TC) Control Valve. Signal Too Low. Permanent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-242
  • Signal too low. Permanent fault
    • Notes
    • Checking the signal cable
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• EFI-245: Idle Air Control (IAC) Valve, Closing. Signal Missing. Intermittent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-223, EFI-245
  • Signal missing. Intermittent fault
    • Notes
    • Checking cables and terminals
    • Information
      • Fault-tracing information
• EFI-245: Idle Air Control (IAC) Valve, Closing. Signal Missing. Permanent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-223, EFI-245
  • Signal missing. Permanent fault
    • Notes
    • Checking signal cable resistance to ground
    • Checking control module connector
    • Fault-tracing information
    • Checking for an open-circuit
    • Checking idle air control (IAC) valve
    • Replacing Idle Air Control (IAC) Valve
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• EFI-245: Idle Air Control (IAC) Valve, Closing. Signal Too High. Intermittent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-223, EFI-245
  • Signal too high. Intermittent fault
    • Notes
    • Checking cables and terminals
    • Information
      • Fault-tracing information
• EFI-245: Idle Air Control (IAC) Valve, Closing. Signal Too High. Permanent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-223, EFI-245
  • Signal too high. Permanent fault
    • Notes
    • Checking the signal cable
    • Checking for a short-circuit
    • Replacing Idle Air Control (IAC) Valve
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• EFI-245: Idle Air Control (IAC) Valve, Closing. Signal Too Low: Intermittent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-223, EFI-245
  • Signal too low. Intermittent fault
    • Notes
    • Checking cables and terminals
    • Information
      • Fault-tracing information
• EFI-245: Idle Air Control (IAC) Valve, Closing. Signal Too Low: Permanent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-223, EFI-245
  • Signal too low. Permanent fault
    • Notes
    • Checking power cable
    • Checking for an open-circuit
    • Checking signal wiring resistance
    • Checking for a short-circuit
    • Checking idle air control (IAC) valve
    • Fault-tracing information
    • Replacing Idle Air Control (IAC) Valve
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• EFI-251: Outside Temperature Sensor. Signal Sporadic. Intermittent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-251
  • Signal sporadic: Intermittent fault
    • Notes
    • Checking cables and terminals
    • Information
      • Fault-tracing information
• EFI-251: Outside Temperature Sensor. Signal Sporadic. Permanent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-251
  • Signal sporadic: Permanent fault
    • Notes
    • Checking diagnostic trouble codes (DTCs)
    • Fault-tracing information
    • Replacing Outside Temperature Sensor
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• EFI-251: Outside Temperature Sensor. Signal Too High. Intermittent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-251
  • Signal too high. Intermittent fault
    • Notes
    • Checking cables and terminals
    • Information
      • Fault-tracing information
• EFI-251: Outside Temperature Sensor. Signal Too High. Permanent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-251
  • Signal too high. Permanent fault
    • Notes
    • Checking ground lead
    • Checking the signal cable
    • Checking for a short-circuit
    • Checking control module connector
    • Fault-tracing information
    • Checking for an open-circuit
    • Checking temperature sensor resistance
    • Checking for contact resistance and oxidation
    • Replacing Outside Temperature Sensor
    • Checking the outside temperature sensor
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• EFI-251: Outside Temperature Sensor. Signal Too Low. Intermittent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-251
  • Signal too low. Intermittent fault
    • Notes
    • Checking cables and terminals
    • Information
      • Fault-tracing information
• EFI-251: Outside Temperature Sensor. Signal Too Low. Permanent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-251
  • Signal too low. Permanent fault
    • Notes
    • Checking the signal cable
    • Replacing Outside Temperature Sensor
    • Checking for a short-circuit
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• EFI-311: Speedometer. Faulty Signal. Intermittent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-311
    • EFI-311: Speedometer, signal
  • Faulty signal: Intermittent fault
    • Notes
    • Checking diagnostic trouble codes (DTCs) in the ABS system
    • Checking diagnostic trouble codes (DTCs) in the combined instrument panel
    • Checking cables and terminals
    • Information
      • Fault-tracing information
• EFI-311: Speedometer. Faulty Signal. Permanent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-311
  • Faulty signal. Permanent fault
    • Notes
    • Checking instrument
    • Checking speedometer
    • Checking diagnostic trouble codes (DTCs) in the ABS system
    • Fault-tracing information
    • Checking vehicle speed signal
    • Checking signal cable voltage
    • Checking the signal cable
    • Checking for an open-circuit
    • Checking for a short-circuit
    • Checking diagnostic trouble codes (DTCs) in the combined instrument panel
    • Connector A
      • Notes
      • Connecting up the Test box to Motronic 4.3
      • Connection of break-out box to connector A (black)
      • Checking ground terminals
      • Checking for open-circuit, contact resistance and oxidation
      • Verification
    • Information
      • Fault-tracing information
    • Verification
      • Verification
• EFI-314: Camshaft Position (CMP) Sensor. Faulty Signal. Intermittent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-314
    • EFI-314: Camshaft position (CMP) sensor, signal
  • Faulty signal. Intermittent fault
    • Notes
    • Checking cables and terminals
    • Information
      • Fault-tracing information
• EFI-314: Camshaft Position (CMP) Sensor. Faulty Signal. Permanent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-314
  • Faulty signal. Permanent fault
    • Notes
    • Checking ground lead
    • Checking control module connector
    • Fault-tracing information
    • Checking for an open-circuit
    • Checking power cable
    • Checking the signal cable
    • Checking signal cable voltage
    • Checking for a short-circuit
    • Checking signal cable resistance to ground
    • Checking camshaft position (CMP) sensor
    • Checking for contact resistance and oxidation
    • Replacing Camshaft Position (CMP) Sensor
    • Checking camshaft position (CMP) sensor signal
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• EFI-315: Canister Purge (Cp) Valve. Leakage. Intermittent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-315
    • EFI-315: Canister purge (CP) valve, leakage
  • Leakage. Intermittent fault
    • Notes
    • Checking canister purge (CP) valve
    • Information
      • Fault-tracing information
• EFI-315: Canister Purge (Cp) Valve. Leakage. Permanent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-315
  • Leakage. Permanent fault
    • Notes
    • Checking canister purge (CP) valve
    • Checking line to fuel tank
    • Fault-tracing information
    • Checking EVAP system lines
    • Replacing Canister Purge (CP) Valve
    • Verification
      • Verification
      • Verification, continued
    • Information
      • Fault-tracing information
    • Leakage. Intermittent fault
      • Notes
      • Checking canister purge (CP) valve
• EFI-335: Cable Fault Between Aw 50-42 And MOTRONIC 4.4. Signal Too High. Intermittent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-335
    • EFI-335: Cable fault between AW 50-42 and Motronic 4.4 (lamp lights)
  • Signal too high. Intermittent fault
    • Notes
    • Checking cable
    • Information
      • Fault-tracing information
• EFI-335: Cable Fault Between Aw 50-42 And MOTRONIC 4.4. Signal Too High. Permanent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-335
  • Signal too high. Permanent fault
    • Notes
    • Connector A
      • Notes
      • Connecting up the Test box to Motronic 4.3
      • Connection of break-out box to connector A (black)
      • Checking ground terminals
      • Checking for open-circuit, contact resistance and oxidation
      • Verification
    • Checking the signal cable
    • Checking for a short-circuit
    • Checking for an open-circuit
    • Information
      • Fault-tracing information
    • Verification of repair
      • Verification of repair
      • Volvo System Tester as verification tool
    • Verification in the workshop
      • Verification in the workshop
• EFI-335: Cable Fault Between Aw 50-42 And MOTRONIC 4.4. Signal Too Low. Intermittent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-335
  • Signal too low. Intermittent fault
    • Notes
    • Checking cable
    • Information
      • Fault-tracing information
• EFI-335: Cable Fault Between Aw 50-42 And MOTRONIC 4.4. Signal Too Low. Permanent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-335
  • Signal too low. Permanent fault
    • Notes
    • Checking cable
    • Verification of repair
      • Verification of repair
      • Volvo System Tester as verification tool
    • Verification in the workshop
      • Verification in the workshop
    • Information
      • Fault-tracing information
• EFI-355: Mass Air Flow (MAF) Sensor. Faulty Signal (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-355
  • Faulty signal
    • Overview
    • Notes
    • Checking throttle position (TP) sensor
    • Checking throttle position (TP) sensor signal
    • Replacing Throttle Position (TP) Sensor
    • Checking connector
    • Checking for contact resistance and oxidation
    • Checking ground lead
    • Checking for a short-circuit
    • Checking the signal cable
    • Checking power cable
    • Checking for air leakage in the intake system
    • Fault-tracing information
    • Checking power ground
    • Checking control module connector
    • Checking signal ground
    • Replacing Mass Air Flow (MAF) Sensor
    • Verification
      • Verification
    • Information
      • Fault-tracing information
    • Connecting the breakout box
      • Connecting breakout box to connector A (black)
      • Checking ground terminals
      • Checking for an open-circuit
• EFI-411: Throttle Position (TP) Sensor. Signal Too High. Intermittent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-411
    • EFI-411: Throttle position (TP) sensor, signal
  • Signal too high. Intermittent fault
    • Notes
    • Checking power cable
    • Checking for a short-circuit
    • Checking cables and terminals
    • Information
      • Fault-tracing information
• EFI-411: Throttle Position (TP) Sensor. Signal Too High. Permanent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-411
  • Signal too high. Permanent fault
    • Notes
    • Checking ground lead
    • Checking control module connector
    • Fault-tracing information
    • Checking for an open-circuit
    • Checking power cable
    • Checking for a short-circuit
    • Checking the signal cable
    • Checking throttle position (TP) sensor signal
    • Checking for contact resistance and oxidation
    • Replacing Throttle Position (TP) Sensor
    • Checking the throttle position TP sensor
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• EFI-411: Throttle Position (TP) Sensor. Signal Too Low. Intermittent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-411
  • Signal too low. Intermittent fault
    • Notes
    • Checking cables and terminals
    • Information
      • Fault-tracing information
• EFI-411: Throttle Position (TP) Sensor. Signal Too Low. Permanent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-411
  • Signal too low. Permanent fault
    • Notes
    • Checking power cable
    • Checking for a short-circuit
    • Checking control module connector
    • Fault-tracing information
    • Checking for an open-circuit
    • Checking the signal cable
    • Checking throttle position (TP) sensor signal
    • Checking for contact resistance and oxidation
    • Replacing Throttle Position (TP) Sensor
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• EFI-414: Boost Pressure Control. Faulty Signal (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-414
  • Faulty signal
    • Notes
    • Checking mass air flow (MAF) sensor
    • Checking the connectors
    • Fault-tracing information
    • Replacing Mass Air Flow (MAF) Sensor
    • Check cable for boost pressure reduction
    • Checking for an open-circuit
    • Replacing turbocharger (TC) control valve
    • Checking hoses
    • Checking pressure servo
    • Replacing Pressure Servo
    • Connecting the breakout box
      • Connecting breakout box to connector B (gray)
      • Checking ground terminal #B28
      • Checking for an open-circuit
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• EFI-416: Boost Pressure Reduction From Aw50-42. Intermittent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-416
  • Intermittent fault
    • Notes
    • Checking the signal cable
    • Information
      • Fault-tracing information
• EFI-416: Boost Pressure Reduction From Aw50-42. Permanent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-416
  • Permanent fault
    • Notes
    • Checking the signal cable
    • Information
      • Fault-tracing information
• EFI-422: Atmospheric Pressure Sensor, Signal. Signal Too Low. Intermittent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-422
  • Signal too low. Intermittent fault
    • Notes
    • Checking cables and terminals
    • Information
      • Fault-tracing information
• EFI-422: Atmospheric Pressure Sensor. Signal Missing. Intermittent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-422
  • Signal sporadic: Intermittent fault
    • Notes
    • Checking cables and terminals
    • Information
      • Fault-tracing information
• EFI-422: Atmospheric Pressure Sensor. Signal Missing. Permanent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-422
  • Signal sporadic: Permanent fault
    • Notes
    • Checking diagnostic trouble codes (DTCs)
    • Fault-tracing information
    • Checking cables and terminals
    • Checking the air conditioning (A/C) pressure sensor
    • Replacing Air Conditioning (A/C) Pressure Sensor
    • Checking accelerometer
    • Replacing Accelerometer
    • Checking fuel tank pressure sensor
    • Replacing Atmospheric Pressure Sensor
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• EFI-422: Atmospheric Pressure Sensor. Signal Too High. Intermittent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-422
  • Signal too high. Intermittent fault
    • Notes
    • Checking cables and terminals
    • Information
      • Fault-tracing information
• EFI-422: Atmospheric Pressure Sensor. Signal Too High. Permanent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-422
  • Signal too high. Permanent fault
    • Notes
    • Checking ground lead
    • Checking control module connector
    • Checking for an open-circuit
    • Checking the signal cable
    • Checking for a short-circuit
    • Checking signal cable resistance
    • Checking power cable
    • Replacing Atmospheric Pressure Sensor
    • Checking cables
    • Checking fuel tank pressure sensor
    • Replacing Fuel Tank Pressure Sensor
    • Checking the air conditioning (A/C) pressure sensor
    • Replacing Accelerometer
    • Replacing Air Conditioning (A/C) Pressure Sensor
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• EFI-422: Atmospheric Pressure Sensor. Signal Too Low. Permanent Fault (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-422
  • Signal too low. Permanent fault
    • Notes
    • Checking power cable
    • Checking signal cable resistance
    • Checking for a short-circuit
    • Checking atmospheric pressure sensor
    • Checking for contact resistance and oxidation
    • Replacing Atmospheric Pressure Sensor
    • Checking power cable resistance to ground
    • Checking accelerometer
    • Fault-tracing information
    • Replacing Accelerometer
    • Checking fuel tank pressure sensor
    • Replacing Fuel Tank Pressure Sensor
    • Checking the air conditioning (A/C) pressure sensor
    • Replacing Air Conditioning (A/C) Pressure Sensor
    • Checking control module connector
    • Checking for an open-circuit
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• EFI-425: Rear Heated Oxygen Sensor (Ho2S). Faulty Signal (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-425
    • EFI-425: Rear heated oxygen sensor (HO2S), control
  • Faulty signal
    • Notes
    • Checking compression
      • Checking the compression
      • Fault tracing information
    • Checking for air leakage
      • Checking for air leakage in the intake system
      • Fault tracing information
      • Checking for air leakage in the exhaust system
    • Fuel pressure and residual pressure
    • Check the fuel pump relay's two-stage function
      • Check the fuel pump relay's two-stage function
      • Checking full-speed
      • Checking for open-circuit
      • Checking half-speed
      • Replacement Of Fuel Pump Relay
      • Check the lead between the relay and the series resistance.
      • Check the series resistance
      • Replacement of component
      • Verification
    • Information
      • Fault-tracing information
    • Checking fuel pressure and residual pressure
      • Notes
      • Choosing a method for taking a reading
      • Checking vacuum hose to pressure regulator
      • Checking hose and connection
      • Connect pressure gauge
      • Starting fuel pump (FP)
      • Measuring line pressure
      • Line pressure too high
      • Replacing New Pressure Regulator
      • Checking for blockage
      • Line pressure too low
      • Replacing Pressure Regulator
      • Checking fuel filter
      • Replacing Fuel Filter
      • Checking pressure regulator, pressure reduction
      • Checking pressure regulator, pressure increase
      • Checking residual pressure
      • Replacing component
      • Disconnecting pressure gauge
      • Stop fuel pump (FP)
    • Stop fuel pump
    • Start fuel pump
    • Verification
      • Verification
• EFI-432: Temperature Warning Level 1. Faulty Signal (B5234T3; B5254T; 1998)
  • Diagnostic trouble code (DTC) information EFI-432, EFI-513
    • EFI-432: Temperature warning >100°C; EFI-513 Temperature warning >110°C
  • Faulty signal
    • Notes
    • Checking engine cooling fan (FC)
    • Checking air supply
    • Fault-tracing information
    • Replacing component
    • Verification
      • Overview
      • Verification
      • Verification, continued
    • Signal too high. Permanent fault
      • Notes
      • Checking the signal cable
      • Replacing Engine Cooling Fan (FC) Relay
      • Checking for a short-circuit
    • Information
      • Fault-tracing information
    • Signal too low. Permanent fault
      • Notes
      • Checking power cable
      • Checking for an open-circuit
      • Checking the signal cable, half speed
      • Checking for a short-circuit
      • Checking control module connector
      • Checking signal cable, high-speed
      • Checking engine cooling fan (FC) relay
      • Replacing Engine Cooling Fan (FC) Relay
      • Checking for contact resistance and oxidation
    • Checking control module number
      • Checking control module number
    • Verify
      • Verification
    • Diagnostic test mode (DTM) 3