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Contents

Wiring diagrams Section: Trionic T8 Fuel Control System

Upper heated oxygen sensor (592)

Lower heated oxygen sensor (593)

Throttle body actuator unit (604)

Accelerator pedal position sensor (379)

Ignition coil with integrated power module (320)

CDM (740)

Atmospheric pressure sensor (539)

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)

General

Pedal request, general

Function, pedal request

Adaptation of pedal position

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

Idle speed control, general

TCS/ESP limitation, general

Manual gearbox

Special mode

Misfiring

Brake

Vehicle speed limitation

Minimum load

Dashpot

Knock control, general

Maximum engine speed

Turbo speed limitation

Charge air control fault

Emission limitation

Fuel adaptation, general

Multiplicative adaptation

Additive adaptation

Starter motor cranking

Injector opening duration

Injection twice/combustion

Needle lift delay

Coolant temperature dependent compensation

Principle, coolant temperature above 95°C

Principle, coolant temperature below 95°C

Charge air temperature dependent compensation

Principle, high charge air temperature

Principle, low charge air temperature

Principle, increasing engine speed

Principle, increasing load

Optimization

Knock control

Principle, low coolant temperature

Principle, high coolant temperature

Ignition system, general

Ignition

Charging time, general

Principle, voltage dependence

Principle, engine speed dependence

Combustion signals, synchronization

Combustion signals, misfiring detection

Knock detection

The engine management system uses the following information

The engine management system sends the following information

Main task

Type

Connection

Connection, petrol engine B207, B284

Connection, Z18XE petrol engine

Connection, Z19DT/DTH diesel engine

Function

Main use

Power supply, ground and bus communication

Principal use

Steering wheel angle sensor

Z18XE

Z19DT

Z19DTH

Ignition Switch Module (20)

Connect

List of components

Brake light switch (29)

Engine oil pressure switch (44)

Simtec

EDC16 8V

EDC16 16V

Fuel pump relay (102)

Clutch switch, cruise control (133)

Brake switch, cruise control (134)

Charge air solenoid valve (179a)

Coolant temperature sensor (202)

Mass air flow sensor (205)

Injector, cyl 1 (206a)

Injector, cyl. 2 (206b)

Injector, cyl. 3 (206c)

Injector, cyl. 4 (206d)

Main relay, engine control system (229)

EDC16

Engine oil level switch (243)

Heated oxygen sensor element (271)

Ignition coil with integrated power stage, cyl 1 (320a)

Ignition coil with integrated power stage, cyl 2 (320b)

Ignition coil with integrated power stage, cyl 3 (320c)

Ignition coil with integrated power stage, cyl 4 (320d)

EVAP canister purge valve (321)

Motor, fuel pump (323)

Relays

Crankshaft position sensor (345)

Intake air temperature sensor (407)

Pressure sensor, intake manifold (431)

Heated oxygen sensor relay (443)

Data link connector 16 pin, CARB (445)

Relay, +50 (517)

Main instrument display panel (540)

SID (541)

Pressure sensor, EVAP (585)

EVAP shut-off solenoid valve (588)

Control module, Trionic, B207, switch A (589A)

Control module, Trionic, B207, switch B (589B)

Front heated oxygen sensor (592)

Rear heated oxygen sensor (593)

Charge air pressure sensor (603)

Throttle body actuator (604)

Solenoid valve, turbo bypass (605)

Intake air sensor (688)

Fuel pump module (689)

Fuses

Infotainment control panel (736)

SID control panel (737)

Ionization Detection Module (740)

Connector H8-9

Connector H24-2 (T8)

Connector H33-1

Connector H102-1

Connected components

Control module, Trionic T8 (589)

Fuel level sensor US (46), T8

Fuel level sensor (46), T8

Connector, clutch, cruise control (133)

Connector, brake, cruise control (134)

Spark plug (157)

Injectors (206), T8

Fuel pump motor (323), T8

Crankshaft position sensor (345), T8

Accelerator position sensor (379)

Heated oxygen-sensor, rear (593)

Throttle body actuator, T8 (604)

Temperature sensor

Absolute pressure sensor

Power train

Trionic 8, Mode 06

Control module

Outputs

Inputs

Trip

Driving cycle

Heating cycle

Similar operating conditions

Entry conditions

Fault criteria

Dependencies

System reactions to a fault

OK report

Fault handling I, catalyst damaging misfiring

Fault handling II, emission-related misfiring or fault in fuel system

Fault handling III, other emission-related components and function

The action involves the following

SPS programming

Add

Bus

Internal control module faults

Analog inputs

Digital inputs

Procedures after disconnecting the battery

Type of lamp illumination

Criteria

Procedure

Conditions

All sections

Type Saab 9-3 II

Trionic T8 Fuel Control System 1 illustration

Type

Closing switch.

Scheme 244

Scheme 244: Type

Scheme 244: Type