Section 12 (Engine Controls - Tests W/Codes)
WARNING: This page is about a different car, the 1998 Volvo V90, 1998 Volvo S90, 1997 Volvo V90, and 1997 Volvo S90. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Self-Diagnostic System
- Diagnostic Tests
- Connector Identification
- DTC 112: Fault In ECM
- DTC 115, 125, 135, 145, 155 Or 165: Fuel Injector Problem
- DTC 121: MAF Signal
- DTC 123: Engine Coolant Temperature Sensor Signal
- DTC 125: Fuel Injector Problem
- DTC 131: Rpm Sensor Signal
- DTC 132: Battery Voltage Signal Too Low Or Too High
- DTC 135: Fuel Injector Problem
- DTC 143 Or 433: Knock Sensor Signal
- DTC 145: Fuel Injector Problem
- DTC 153: Rear Ho2S Signal
- DTC 155: Fuel Injector Problem
- DTC 165: Fuel Injector Problem
- DTC 211: Co Potentiometer
- DTC 212: Front Ho2S Signal
- DTC 214: Rpm Sensor Signal Sporadic
- DTC 223 Or 245: IAC Valve Signal
- DTC 225: A/C Pressure Sensor
- DTC 231 Or 232: Long Term Fuel Trim
- DTC 233: Idle Air Trim
- DTC 251: Outside Temperature Sensor Signal
- DTC 311: Speedometer Signal
- DTC 314: Camshaft Position Sensor Signal
- DTC 315: Canister Purge (Cp) System
- DTC 335: Fault In Wiring Between TCM & ECM
- DTC 355: Mass Airflow (MAF) Sensor Faulty Signal
- DTC 411: Throttle Position Sensor Signal
- DTC 425: Rear Ho2S
- DTC 435: Front Ho2S Too Slow
- DTC 436: Rear Ho2S Compensation
- DTC 442: Pulsed Secondary Air Injection System (Pair) Flow Fault
- DTC 443: TWC Efficiency
- DTC 444: Accelerometer Signal
- DTC 445: Pulsed Secondary Air Injection System (Pair) Pump Signal
- DTC 446: Pulsed Secondary Air Injection System (Pair) Pump Flow Fault
- DTC 447: Pulsed Secondary Air Injection System (Pair) Solenoid Valve Signal
- DTC 448: Pulsed Secondary Air Injection System (Pair) Pump Flow Fault
- DTC 451-456, 543, 545 Or 551-556: Misfire
- DTC 513: Temperature Warning Level 2
- DTC 514: Engine Cooling Fan Half Speed
- DTC 521 Or 522: Ho2S Preheating
- DTC 534: Ignition Discharge Module (IDM) Group "D"
- DTC 536: Ignition Discharge Module (IDM) Group "E"
- DTC 541: Canister Purge Valve Signal
- DTC 611: Fuel Tank System, Large Leak
- DTC 612: Fuel Tank System, Small Leak
- DTC 614: EVAP Canister Shut-Off Valve Flow Fault
- DTC 616: EVAP Canister Shut-Off Valve Signal
- DTC 621: Fuel Tank Pressure Sensor Signal
- DTC 666: DTC In Transmission Control Module (TCM)
- Summary