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Home >> Mitsubishi >> 1996 >> Eclipse Base, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Controls - System/Component Tests - 2.4L 4-CYL) >> Idle Control System >> Electrical Load Switch >> Pickup
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Electrical Load Switch: Pickup

WARNING: This page is about a different variant/trim than selected.
  1. Turn ignition off. Disconnect PCM connector. See POWERTRAIN CONTROL MODULE (PCM) LOCATION  table under COMPUTERIZED ENGINE CONTROLS. Go to next step.
  2. Turn headlights on. Using DVOM, check voltage between PCM connector terminal No. 58 (No. 24 on Pickup) and chassis ground. If battery voltage is present, turn headlights off and go to next step. If battery voltage is not present, check and repair circuit between headlight relay connector and PCM connector.
  3. Turn defogger switch on. Using DVOM, check voltage between PCM connector terminal No. 58 (No. 24 on Pickup) and chassis ground. If battery voltage is present, turn defogger switch off and go to next step. If battery voltage is not present, check and repair circuit between defogger relay connector and PCM connector.
  4. Turn blower switch on. Using DVOM, check voltage between PCM connector terminal No. 58 (No. 24 on Pickup) and chassis ground. If battery voltage is present, turn blower switch off and go to next step. If battery voltage is not present, check and repair circuit between blower switch connector and PCM connector.
  5. If battery voltage is present and preceding tests do not show any system or component malfunction and PCM is suspected, substitute PCM with known-good unit and retest system.
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