Attention! Cars are equipped with security systems (SRS), including airbags and seat belt tensioners. Before carrying out work near the shock sensors, the instrument panel and the steering column, first disconnect the negative and then the positive terminals from the battery and wait 2 minutes. This will prevent unauthorized deployment of the airbags and deployment of the seat belt pretensioners, which could cause injury.
Attention! In order not to damage the PCM by static electricity, do not touch the pins in the electrical connectors when removing and installing the unit.
Pic. 7.4. Location and mounting of the engine control unit on models up to 2001: 1 - engine control unit (PCM), fixed in the bracket; 2 – the left cover of the central console; 3 - electrical connector; 4 - bracket; 5 - bracket; 6 - bracket; 7 - engine control unit (PCM); 8 - cover of the engine control unit
Pic. 7.5. Location and mounting of the engine control unit on models from 2001: 1 – a cover of a ware box; 2 - retainer; 3 - threshold upholstery; 4 – the lower upholstery of a forward rack; 5 - electrical connector of the engine control unit (PCM); 6 - bracket; 7 - bracket; 8 - engine control unit (PCM)
The engine control unit (PCM) located in front of the center console on the driver's side on cars up to 2001 and under the panel to the right of the instrument glove box on cars since 2001 (pic. 7.4, 7.5).
To remove the block, do the following.
Turn off the ignition and disconnect the wire «masses» from the battery.
On models up to 2001 then proceed in the following order:
- release and unscrew the floor carpet and remove the left cover of the center console;
- disconnect the electrical connector from the engine control unit;
Attention! When disconnecting and connecting the electrical connector from the engine control unit, to prevent damage to the unit, the ignition must be turned off.
- unscrew the bolts securing the engine control unit to the brackets;
- remove the engine control unit, before removing the control unit, discharge the electrostatic charge from the body by touching the body with your hand, and store the PCM on a special antistatic pad.
On models since 2001 then proceed in the following order:
- remove the glove box;
- remove the upholstery of the right front sill and lower part of the A-pillar;
- disconnect the electrical connector from the engine control unit;
Attention! When disconnecting and connecting the electrical connector from the engine control unit, to prevent damage to the unit, the ignition must be turned off.
- unscrew the bolts securing the engine control unit to the brackets;
- remove the engine control unit, before removing the control unit, discharge the electrostatic charge from the body by touching the body with your hand, and store the PCM on a special antistatic pad.
Install in the reverse order of removal.