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Ignition and Control Systems - General Diagnostics and Tests (Coupe): Overview Volvo C70 I

Testing & Diagnostics 4 illustrations

Scheme 581

Scheme 581: Cleaning and greasing engine control module (ECM) connector
Scheme 581: Cleaning and greasing engine control module (ECM) connector

Scheme 582

Scheme 582
Scheme 582

Scheme 583

Scheme 583
Scheme 583
  1. Ignition off.
  2. Wait for approximately 150 seconds (cars with immobilizer 245 seconds).
  3. Remove control module.
  4. Check control module connector for contact resistance and oxidation and remedy according to «Contact resistance and oxidation»(ref-408435-S11196285822011071200000).
  5. Reinstall control module.

Scheme 584

Scheme 584
Scheme 584
  1. Ignition off.
  2. Disconnect mass air flow (MAF) sensor. Check mass air flow (MAF) sensor connector for contact resistance and oxidation and remedy according to «Contact resistance and oxidation»(ref-408435-S11196285822011071200000). Connect mass air flow (MAF) sensor.

See also:
• 9511351

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