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Home >> Volvo >> 1982 >> 244 GLT, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> Ignition System >> BOSCH Electronic Ignition System >> Testing >> Control Module Ground Check
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Control Module Ground Check

NOTE: This test does not apply to Mercedes-Benz vehicles.
  1. Disconnect connector at control module. Turn ignition switch "ON". Connect voltmeter positive lead to terminal 31 of control module (not harness). Connect negative lead to ground.
  2. Reading should show continuity. If not, check module ground wire and repair as necessary.
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