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Engine Controls - Tests W/codes - Non-Turbo: Component Locations Volvo 850 I

Testing & Diagnostics 2 illustrations ~168 words

ECU LOCATION

Fuel injection and ignition system ECUs are located in right front of engine compartment, in front of strut tower.

Scheme 12

Scheme 12: Connecting Measuring Unit (9813190) & Adapter (9813195)
Scheme 12: Connecting Measuring Unit (9813190) & Adapter (9813195)
  1. Disconnect negative battery cable. Remove ECU cover located in right front engine compartment. (Scheme 12) If measuring unit is to be connected to fuel injection ECU, remove both fuel injection and ignition ECUs. Press adapter into ECU base. Position adapter lead at rear of ECUs and thread through slot next to ignition ECU.
  2. Press ignition ECU into position first to avoid damage to adapter lead. Press fuel injection ECU, with adapter connected, into connector in bottom of ECU box. Connect measuring unit to adapter 60-pin connector.
  3. If measuring unit is to be connected to ignition ECU, remove ignition ECU. Press adapter onto ignition ECU and pull lead upward through slot beside ECU. Press ignition ECU, with adapter connected, into connector in bottom of ECU box. Connect measuring unit to adapter 60-pin connector. (Scheme 13)

Scheme 13

Scheme 13
Scheme 13

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