Saab 9-5

Since 1997 of release

Repair and car operation



Saab 9-5
+ Cars Saab 9-5
+ Controls and operation receptions
+ Options and car routine maintenance
+ The engine
+ Systems of cooling of the engine, heating, ventilation and air conditioning
+ The power supply system and release of the fulfilled gases
- Systems of an electric equipment of the engine
   - Systems of ignition, preheat and engine management
      The basic data and security measures
      Search of malfunctions - the general information and preliminary checks
      Removal and installation ECM
      Candles and modules of ignition of petrol engines
      Removal and installation of components of system of preheat of the diesel engine
      Removal and installation of gauges of a control system by the engine
   + Diagnostics of systems of electronic control and the diagnostic equipment
   + Charge and start systems
+ Manual box of a gear change
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment


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Systems of ignition, preheat and engine management

The basic data and security measures

The ignition system provides ignition submitted to chambers of combustion of cylinders of petrol engines of an air-fuel mix. For formation of a spark of demanded intensity 12-volt pressure of an onboard network will be transformed in ignition coils to high-voltage pressure (30 000).

The electronic system of direct ignition is an integral part of a control system of the engine. Its basic working components are candles and modules of ignition with the built in coils. Distribution of giving В/В of pressure to spark plugs the electronic control block (ECM) operates.

Manual adjustment of the moment of ignition is not made, - at infringement of demanded installations it is necessary to make replacement of the failed components.

Elements of management of system of ignition are not subject to deterioration and regular service do not require. According to the maintenance service schedule (see the Head of Adjustment and car routine maintenance) it is necessary to make only replacement of spark plugs.

The system of preheat of the diesel engine is intended for warming up of chambers of combustion for the purpose of confident ignition of diesel fuel. As heating elements candles накаливания which work the corresponding electronic block operates are used.

The basic data on work and gauges of systems управлениядвигателем and fuel injection are stated in the Head of the Power supply system and release of the fulfilled gases. Schemes of work to control systems of engines are resulted on illustrations.

Control system of petrol engines (Trionic T7)

Control system of petrol engine V6 (Trionic T7)

Tech 2 — the Diagnostic scanner
Trionic — the engine management Block (ECM)
102 — the Relay of the fuel pump
133 — the Gauge of position of a pedal
Couplings
134 — the Gauge of position of a pedal
Brakes
141 — the Switch темпостата
156 — compressor K/V Relay
179 (a) — the Control valve of air
Pressurisation
202 — the Gauge of temperature ОЖ (ECT)
205 — the Gauge of an air stream (MAF)
206 — Injectors/atomizers
229 — the Main relay
243 — the Gauge of level impellent
Oils
29 — Д/В stoplights
321 — the Valve of a purge of an adsorber
Systems EVAP
324 — system SAI Relay
326 — system SAI Pump
345 — the Gauge of position cranked
Shaft (CKP)
346 (F/R) — ignition Modules (forward /
Back)
379 — the Gauge of position of a pedal of gas
(APP)
382 — the Block of management ABS/TC

398 — Candles накаливания
407 — the temperature Gauge it is soaked up -
го air (IAT)
408 — the Gauge of turns cranked
Shaft
431 — the Gauge of absolute pressure in
The inlet pipeline (MAP)
502 — the Block of management of transmission
(TCM)
540 — the Display of a combination of devices
540B — the Block of management of a combination
Devices
547 — the Block of management ABS
555 — the Gauge position distribute -
тельного a shaft (CMP) ***
585 — the Gauge of pressure of system EVAP
588 — the Valve отсечки systems EVAP
592Fa — the Ljambda-probe 1 (forward)
592Ra — the Ljambda-probe 2 (back)
596 — the Block of management of preheat
The diesel engine
603 — the Gauge of absolute pressure
Forced air
604 — the throttle Case
605 — Perepusknoj the control valve
606 — Э/м system EGR valve
607 — Э/м the emergency operation valve
608 — the engine management Block
(ECM)

Control system of diesel engine V6 (Denso ECD U2P)

628— The Block of management of the panel of devices (DICE)
632 — the Block of management of anticreeping system (TWICE)
640 — the Relay э/м the emergency operation valve
651 — the Gauge of temperature of diesel fuel
652 — the Control valve of pressure of fuel in a distributive highway of the diesel engine

653 — the Gauge of pressure of fuel in a distributive highway of the diesel engine
654 — the Gauge of position of shovels турбокомпрессора
655 — the engine management Block (ECM)
656 — the Electric cascade of atomizers
671 — the Block of management ESP

Security measures at work with systems of ignition, preheat and management of fuel injection

For the purpose of prevention травмирования and-or failure of components of electric and electronic systems it is necessary to observe the following:

  • Do not touch electroconducting of system of ignition and do not separate its sockets at working dvigatele / a rotating starter.
  • Make a detachment/connection топливопроводов control systems of injection/electroconducting of system of ignition, and also connection/switching-off of any diagnostic and measuring equipment only at the switched off ignition.
  • Performance of works on service by electronic system of ignition by people with implanted кардиостимулятором is not supposed.