TRIONIC T8 Fuel Control System

• Repair Instructions
  • Pressure monitor, engine oil (44)
    • To remove
    • To fit
  • Charge air control valve (179)
    • To remove
    • To fit
  • Coolant temperature sensor (202)
    • To remove
    • To fit
  • Intake manifold sensor (688)
    • To remove
    • To fit
  • Mass air flow sensor (205)
    • To remove
    • To fit
  • EVAP canister purge valve (321)
    • To remove
    • To fit
  • Measurement unit, combustion (740)
    • To remove
    • To fit
  • Injectors (206)
    • To remove
    • To fit
  • Level sensor, engine oil (243)
    • To remove
    • To fit
  • Clutch switch, cruise control (133)
    • To remove
    • To fit
  • Ignition coil with integrated power module (320)
    • To remove
    • To fit
  • Crankshaft position sensor (345)
    • To remove
    • To fit
  • Crankshaft position sensor (345) US/B207R
    • To remove
    • To fit
  • Manifold absolute pressure sensor (431)
    • To remove
    • To fit
  • Power steering fluid pressure sensor (739)
    • To remove
    • To fit
  • Accelerator position sensor (379)
    • To remove
    • To fit
  • Trionic T8 control module (589)
    • To remove
    • To fit
  • Upper heated oxygen sensor (592)
    • Notes
    • To remove
    • To fit
  • Lower heated oxygen sensor (593)
    • Notes
    • To remove
    • To fit
  • Lower heated oxygen sensor, 4WD (593)
    • Notes
    • To remove
    • To fit
  • Throttle body actuator (604)
    • To remove
    • To fit
  • Solenoid valve, turbo by-pass (Wastegate valve) (605)
    • To remove
    • To fit
  • Spark plug (157)
    • To remove
    • To fit
  • Switch, coupling, immobilizer (411)
    • To remove
    • To fit
  • Wiring harness, injectors, B207
    • To remove
    • To fit
• Description and Operation
  • Main components
  • Brief description
    • Overview
    • Description
      • Throttle body actuator unit (604)
      • Accelerator pedal position sensor (379)
      • Ignition coil with integrated power module (320)
      • CDM (740)
      • Atmospheric pressure sensor (539)
      • Pressure sensor, power steering fluid (739)
      • Engine oil level sensor (243)
      • Fuel level sensor (46)
      • Relay, starting relay (517)
      • Cooling fan control
      • Generator (2)
      • Engine oil pressure sensor (44)
      • Pressure sensor, A/C (620)
  • Intake air sensor (688), T8
    • Location
    • Main task
    • Type
    • Connection
  • Brief description, BioPower
    • Introduction
  • Fuel properties, E85
    • General
    • Octane rating
    • Evaporation
    • Fuel consumption
    • Fuel effect
  • Detailed description
    • Overview
  • EVAP canister purge valve (321), T8
    • Location
    • Main task
    • Type
    • Connection
  • Secondary air system
  • Engine variant for E85 fuel
    • Notes
    • Theory
    • Adaptation
      • Lambda 1 at 9.8:1 instead of 14.7:1
      • Worse evaporation at low temperature
      • Higher octane rating (104 RON)
      • Faster combustion
      • Colder exhaust due to greater fuel quantity with Lambda 1
      • Better fuel-air mixture cooling during evaporation
      • More aggressive against certain metals and plastic/rubber
      • Engine
    • Miscellaneous
      • Fuel consumption
      • Service
      • Tech 2
    • Summary
  • Pressure sensor, EVAP (585)
    • Location
    • Main task
    • Type
    • Connection
  • Torque control, basic function
  • EVAP shut-off solenoid valve (588)
    • Location
    • Main task
    • Type
    • Connection
  • Ionization Detection Module (740)
    • Location
    • Main task
    • Type
    • Connection
  • Engine torque control
    • Engine torque control, general
    • Fast engine torque control, increasing load
    • Fast engine torque control, reduced load
    • Slow engine torque control
  • Column Integration Module (CIM) (703)
    • Location
    • Main use
    • Type
      • Notes
      • Steering wheel angle sensor
    • Power supply, ground and bus communication
  • Request for engine torque, 1x
    • General
    • Pedal request
      • Pedal request, general
      • Function, pedal request
      • Adaptation of pedal position
    • Cruise control
      • Cruise control, general
      • Cruise control, vehicle speed lower than requested
      • Cruise control, vehicle speed higher than requested
      • Cruise control, criteria for activation
      • Switch positions
      • Setting a speed
      • Increasing the set speed
      • Reducing the set speed
      • Temporary speed increase
      • Disengage temporarily
      • Re-engaging
      • Disengaging
    • Idling
      • Idle speed control, general
  • Limitation of engine torque, 2x
    • General
    • Maximum engine torque
      • Maximum engine torque, general
      • Torque request from pedal exceeding maximum engine torque
      • Torque request from pedal less than maximum engine torque
    • TCS/Esp
      • TCS/ESP limitation, general
      • Operating principle, torque limitation
    • Manual gearbox
    • Automatic transmission
      • Torque limitation, automatic transmission
      • Engine torque limitation, bus from TCM
      • Engine torque limitation, stalling
    • Special mode
    • Misfiring
    • Brake
  • Limitation of vehicle speed, 3x
    • General
    • Vehicle speed limitation
  • Minimum engine torque, 4x
    • General
    • TCS/ESP increases engine torque
      • TCS/ESP torque increase, general
      • Operating principle, torque increase
    • Minimum load
    • Dashpot
  • Control module, Trionic 4-cyl. petrol (589)
    • Location
    • Main use
    • Type
    • Power supply, ground and bus communication
  • Engine oil pressure switch (44), T8
    • Location
    • Main task
    • Type
    • Connection
  • Maximum engine torque, 5x
    • General
    • Knock limit
      • Knock control engine torque limitation, general
      • Knock control, general
    • Maximum engine speed
    • Turbo speed limitation
    • Charge air control fault
  • Engine torque, BioPower
  • Emission-dependent torque limitation, 6x
    • General
    • Emission limitation
  • Brake switch, cruise control (134), T8
    • Location
    • Main task
    • Type
    • Connection
  • Safety-related torque limitation, 7x
    • General
    • Safety-related torque limitation
  • Pedal request
  • Load compensation
  • Throttle adjustment
  • Turbo adjustment
    • Notes
    • BioPower
  • Fuel injection, basic function
  • Basic quantity, fuel
    • Notes
    • E85
  • Compensation
    • Notes
    • After starting
    • Load changes
    • Knocking
    • Full load enrichment
    • Ignition timing compensation, coolant temperature
      • Notes
      • Coolant temperature dependent compensation
      • Principle, coolant temperature above 95°C
      • Principle, coolant temperature below 95°C
    • Ignition timing compensation, charge air temperature
      • Notes
      • Charge air temperature dependent compensation
      • Principle, high charge air temperature
      • Principle, low charge air temperature
  • Closed loop
    • Front heated oxygen sensor
    • Rear heated oxygen sensor
  • Ventilation
    • Notes
    • Leak diagnosis
  • Fuel adaptation
    • Fuel adaptation, general
    • Multiplicative adaptation
    • Additive adaptation
  • Ethanol adaptation
    • General
    • Function
    • Automatic adaptation
    • Forced adaptation
    • Manual adaptation
    • Incorrect adaptation
  • Starting fuel
    • Starter motor cranking
  • Injection duration
    • Fuel mass/combustion
    • Injector opening duration
    • Injection twice/combustion
    • Needle lift delay
  • Fuel level sensor (46), T8
    • Location
    • Main task
    • Type
    • Connection
  • Fuel shut-off
  • Injectors
  • Ignition, basic function
  • Idling speed ignition timing
    • Idling speed ignition timing
    • Idling speed
    • Engine torque requirement
  • Catalytic converter heating ignition
  • Normal ignition timing
    • General, ignition
    • Principle, increasing engine speed
    • Principle, increasing load
    • Optimization
    • Ignition, BioPower
  • Knock control
    • Knocking, general
    • Knock control
  • Starting ignition timing
    • Starting ignition timing
    • Principle, low coolant temperature
    • Principle, high coolant temperature
  • Ignition system
    • Ignition system, general
    • Ignition
    • Charging time, general
    • Principle, voltage dependence
    • Principle, engine speed dependence
  • Ionization current measurement
    • Ionization current measurement
    • Combustion signals, synchronization
    • Combustion signals, misfiring detection
    • Knock detection
  • Engine management, bus information
    • The engine management system uses the following information
    • The engine management system sends the following information
  • Brake light switch (29), T8
    • Location
    • Main task
    • Type
    • Connection
  • Fuel pump relay (102), T8
    • Location
    • Main task
    • Type
    • Connection
  • Clutch switch, cruise control (133), T8
    • Location
    • Main task
    • Type
    • Connection
  • Compressor, A/C (170)
    • Location
    • Main task
    • Type
    • Connection, petrol engine B207
  • Charge air solenoid valve (179a), T8
    • Location
    • Main task
    • Type
    • Connection
  • Coolant temperature sensor (202), T8
    • Location
    • Main task
    • Type
    • Connection
  • Mass air flow sensor (205), T8
    • Location
    • Main task
    • Type
    • Connection
  • Injector (206), T8
    • Location
    • Main task
    • Type
    • Connection
  • Main relay, engine management system (229), T8
    • Location
    • Main task
    • Type
    • Connection
  • Coolant level switch (242)
    • Location
    • Main task
    • Type
    • Connection
    • Function
  • Engine oil level switch (243), T8
    • Location
    • Main task
    • Type
    • Connection
  • Ignition coil with integrated power stage (320), T8
    • Location
    • Main task
    • Type
    • Connection
  • Crankshaft position sensor (345), T8
    • Location
    • Main task
    • Type
    • Connection
  • Accelerator pedal position sensor (379), T8
    • Location
    • Main task
    • Type
    • Connection
  • Pressure sensor, intake manifold (431)
    • Location
    • Main task
    • Type
    • Connection
  • Front preheated oxygen sensor (592), T8
    • Location
    • Main task
    • Type
    • Connection
  • Rear preheated oxygen sensor (593), T8
    • Location
    • Main task
    • Type
    • Connection
  • Throttle body actuator (604), T8
    • Location
    • Main task
    • Type
    • Connection
  • Pressure sensor, A/C (620) T8
    • Location
    • Principal use
    • Type
    • Connection
      • T8
  • Pressure switch, power steering fluid (739), B207
    • Location
    • Main task
    • Type
    • Connection
  • Solenoid valve, turbo bypass (605), T8
    • Location
    • Principal use
    • Type
    • Connection
    • Function
• Component Locator
  • Relay, +50 (517)
  • Fuse 4, electrical centre engine bay 342
    • Notes
    • List of components
  • Sensor, ethanol content (780)
  • Generator (2)
  • Charge air solenoid valve (179a)
  • Motor, secondary air injection pump (326)
  • Ignition Switch Module (20)
  • Solenoid valve, turbo bypass (605)
  • Main fuse box 727 for B207, in engine bay
    • Notes
    • Location
    • Main task
    • Type
    • Connect
    • Fuses
    • Relays
  • Fuse 2, fuse box, Trionic T8 (727)
  • Fuse 4, fuse box, Trionic T8 (727)
  • Fuel pump relay (102)
  • Main relay, engine control system (229)
  • EVAP canister purge valve (321)
  • Motor, fuel pump (323)
  • Heated oxygen sensor relay (443)
  • Engine oil pressure switch (44)
  • Charge air pressure sensor (603)
  • Intake air temperature sensor (407)
  • Engine bay electrical center 342 (UEC)
    • Location
    • Main task
    • Type
    • Connect
    • Fuses
    • Relays
  • Ionization Detection Module (740)
  • Instrument panel electrical center 22 (IPEC)
    • Location
    • Main task
    • Type
    • Connect
    • Fuses
    • Relays
  • Connector H2-18
  • Pressure sensor, EVAP (585)
  • EVAP shut-off solenoid valve (588)
  • Clutch switch, cruise control (133)
  • Control module, Trionic, B207, switch A (589A)
  • Control module, Trionic, B207, switch B (589B)
  • Fuse 2, engine bay fuse box 342
    • Notes
    • List of components
  • Fuel pump module (689)
  • Mass air flow sensor (205)
  • Intake air sensor (688)
  • Brake switch, cruise control (134)
  • Crimp J40, engine harness, Trionic
    • Notes
    • List of components
  • Coolant temperature sensor (202)
  • Engine oil level switch (243)
  • Heated oxygen sensor element (271)
  • Brake light switch (29)
  • Ignition coil with integrated power stage, cyl 1 (320a)
  • Connector H8-9
  • Ignition coil with integrated power stage, cyl 2 (320b)
  • Ignition coil with integrated power stage, cyl 3 (320c)
  • Fuel level sensor (46)
  • Ignition coil with integrated power stage, cyl 4 (320d)
  • Main instrument display panel (540)
  • Crimp J42, engine harness, Trionic
    • Notes
    • List of components
  • Crankshaft position sensor (345)
  • Crimp J45, engine harness, Trionic
    • Notes
    • List of components
  • Grounding point G7, B207
    • Notes
    • Connected components
  • Accelerator pedal position sensor (379)
  • Pressure sensor, intake manifold (431)
  • Fuse 2, main fuse box 727 for B207
    • Notes
    • List of components
  • Connector H102-1
  • Data link connector 16 pin, CARB (445)
  • Injector, cyl 1 (206a)
  • Injector, cyl. 2 (206b)
  • Fuse 4, main fuse box 727 for B207
    • Notes
    • List of components
  • Unit, steering column assembly, (CIM) (703)
  • Injector, cyl. 3 (206c)
  • Injector, cyl. 4 (206d)
  • Pressure sensor A/C (620)
  • Front heated oxygen sensor (592)
  • Rear heated oxygen sensor (593)
  • Fuse 6, instrument panel electrical center 22
    • Notes
    • List of components
  • Throttle body actuator (604)
  • Connector H24-2 (T8)
  • Crimp J84, dashboard harness
    • Notes
    • List of components
  • Connector H33-1
  • Power steering fluid pressure sensor (739)
  • Fuse 21, dashboard electrical center 22
    • Notes
    • List of components
  • Crimp J26, engine harness, Trionic
    • Notes
    • List of components
  • Crimp J31, engine harness, Trionic
    • Notes
    • List of components
  • Crimp J32, engine harness, Trionic
    • Notes
    • List of components
  • Crimp J33, engine harness, Trionic
    • Notes
    • List of components
  • Crimp J34, engine harness, Trionic
    • Notes
    • List of components
  • Crimp J35, engine harness, Trionic
    • Notes
    • List of components
  • Crimp J36, engine harness, Trionic
    • Notes
    • List of components
  • Crimp J37, engine harness, Trionic
    • Notes
    • List of components
  • Crimp J38, engine harness, Trionic
    • Notes
    • List of components
  • Crimp J39, engine harness, Trionic
  • Crimp J43, engine harness, Trionic
    • Notes
    • List of components
  • Crimp J44, engine harness, Trionic
  • Crimp J46, engine harness, Trionic
    • Notes
    • List of components
  • Crimp J48, engine harness, Trionic
    • Notes
    • List of components
  • Grounding point G34S
    • Notes
    • Connected components
  • Crimp J95, main harness
    • Notes
    • List of components
  • Pressure sensor, secondary air (760)
• Specifications
  • Connector, brake, cruise control (134)
  • General data
  • Injectors (206), T8
  • Fuel pressure regulator
  • Fuel pump motor (323), T8
  • Control module, Trionic T8 (589)
  • Fuel level sensor US (46), T8
  • Fuel level sensor (46), T8
  • Tightening torque
    • Power train
  • Main relay, engine control system (229)
    • T8/Me9
    • EDC16
  • Fuel pump relay (102)
  • Connector, clutch, cruise control (133)
  • Relay, A/C compressor (156)
  • Spark plug (157)
  • Charge air solenoid valve (179a)
  • Coolant temperature sensor (202), T8
  • Mass air flow sensor (205), T8
  • Trionic 8, Mode 06
  • EVAP canister purge valve (321)
  • Crankshaft position sensor (345), T8
  • Accelerator position sensor (379)
  • Pressure sensor, intake manifold (431)
  • EVAP pressure sensor (585)
  • EVAP shut-off solenoid valve (588)
  • Pre-heated oxygen-sensor, front (592)
  • Heated oxygen-sensor, rear (593)
  • Throttle body actuator, T8 (604)
  • Solenoid valve, by-pass, turbo (605)
  • Pressure sensor, A/C (620)
  • Intake air sensor (688), T8
    • Notes
    • Temperature sensor
    • Absolute pressure sensor
• Special Tools and Equipment
  • 83 95 485 Spark plug socket assembly with locating sleeves
  • 83 95 659 Plug kit
  • 83 96 087 Special socket, coolant temperature sensor
  • 86 12 996 Hardware key for USB port
  • 87 91 360 Puller
  • 90 513 210 Universal paste
    • Notes
    • Specifications
    • Saab application
    • Packaging
    • Transport
    • Directives
• Diagnostic Information and Procedures
  • 01 Fault diagnosis, general
    • Testing for open/short circuits
      • General
      • Testing for open circuits by measuring voltage
      • Testing for open circuits by measuring resistance
      • Testing for short circuits to ground
    • Lev/OBD II
      • Definitions
    • Diagnostic Concept
      • General
      • Diagnostic tool
      • Diagnostic Strategy
      • Fault diagnosis by symptom
      • Adjustments
      • Add/Remove
      • Bus
    • Fault diagnosis strategy for electronic systems
    • General fault diagnosis in electronic systems
      • Control module
      • Outputs
      • Inputs
    • Fault handling I, catalyst damaging misfiring
    • Procedures before dismantling the control module
      • Notes
      • When the control module is to be replaced
    • Fault handling II, emission-related misfiring or fault in fuel system
    • Procedure after disconnecting the battery
    • Measures after changing the control module
      • SPS programming
      • Add
    • Fault handling III, other emission-related components and function
    • On Board Diagnostics
      • Notes
      • Internal control module faults
      • Analog inputs
      • Digital inputs
      • Outputs
      • To bear in mind in respect of On Board Diagnostics
    • Connectors, handling and checking
      • Handling
      • Checking
    • Limited performance
    • Lamp illumination of MIL and SVS (Maintenance Indicator Lamp, Service Vehicle Soon), T8
  • 02 Fault diagnosis, symptoms
    • Poor driveability, impaired performance, uneven running
      • Fault symptom
      • Criteria
      • Procedure
    • Erroneous generating of diagnostic trouble code P0606 00
      • Fault symptom
      • Criteria
      • Diagnostic help
      • Procedure
    • Check Engine lamp, faulty function
      • Notes
      • Fault symptom
      • Conditions
      • Diagnostic help
    • Fault difficult to detect when diagnostic trouble code P0106 is indicated
      • Fault symptom
      • Criteria
      • Diagnostic help
      • Procedure
    • Incorrect actuation of DTCs P0442, P0455 and P0456
      • Fault symptom
      • Criteria
      • Procedure
    • Cold start and driveability problems, BioPower
      • Fault symptoms
      • Conditions
      • Diagnostic procedure
    • Starter motor does not crank
      • Notes
      • Fault symptom
      • Conditions
      • Diagnostic help
    • Engine does not start
      • Notes
      • Fault symptom
      • Conditions
      • Diagnostic help
• Schematic and Routing Diagrams