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Home >> Mazda >> 2019 >> CX-5 Touring, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Control System (VIN 2)) >> Pcm Removal/Installation >> Procedure for PCM replacement (pattern 1)

Procedure for PCM replacement (pattern 1)

WARNING: This page is about a different variant/trim than selected.
Step Action Refer to
1 Switch the ignition ON (engine off). -
2 Wait for 40 s or more. -
3 Continue to perform the configuration. -
4 Perform the PCM data reset procedure. (See PCM DATA RESET .)
5 Perform A/F sensor data reset procedure. (See AIR FUEL RATIO (A/F) SENSOR DATA RESET .)
6 Switch the ignition off. -
7 Perform the immobilizer system-related part programming. (See IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING .)
8 Switch the ignition off. -
9 Clear the DTCs. (See CLEARING DTC .)
10 Switch the ignition off. -
11 Wait for 20 s or more. -
12 Switch the ignition ON (engine off). -
13 Perform the KOEO self test. (See KOEO/KOER SELF TEST .)
14 Switch the ignition ON (engine on). -
15 Perform the KOER self test. (See KOEO/KOER SELF TEST .)
16 Switch the ignition off. -
17 Perform compulsory diesel particulate filter regeneration. (See COMPULSORY DIESEL PARTICULATE FILTER REGENERATION .)
18 Switch the ignition off. -
19 Perform the following procedure:
  1. Warm up the engine until the engine coolant temperature is 70°C {158°F} or more.
  2. Switch the ignition off.
  3. Store "Complete (delete record)" the M-MDS session.
  4. Remove the M-MDS.
  5. Start the engine.
  6. Leave for 3 min while idling.
  7. Continuously drive the vehicle for 30 s at a vehicle speed of 50 km/h {31 mph} or more.
    • When the warning light turns on or flashes, repeat the procedure from Procedure 5 (start the engine).
  8. After stopping the vehicle, leave it idling for 3 min without stopping the engine.
  9. Shift the selector lever to the D position with the brake pedal depressed and hold the vehicle stopped for 1 min.
  10. Continuously drive the vehicle for 30 s at a vehicle speed of 50 km/h {31 mph} or more again.
    • When the warning light turns on or flashes, repeat the procedure from Procedure 5 (start the engine).
  11. Shift the selector lever to the D position with the brake pedal depressed and hold the vehicle stopped for 1 min.
 -
20 Clear the DTCs. (See CLEARING DTC .)
21 Switch the ignition off. -
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