LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mitsubishi >> 2003 >> Lancer Evolution >> Repair and Diagnosis >> External Pages >> Different car >> Section 30 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P1217: Engine Over Temperature >> DTC Confirmation Test (Using Generic Scan Tool)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Confirmation Test (Using Generic Scan Tool)

WARNING: This page is about a different car, the 2002 Nissan Maxima and 2002 Infiniti I35. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Use the following test to check overall function of cooling fan. During this test, 1st trip DTC may not be confirmed.
  1. Allow engine to cool. Check coolant level in radiator and reservoir tank. If coolant level is okay, go to next step. If coolant level is low, go to DIAGNOSTIC PROCEDURE  .
  2. If coolant was filled by customer, go to DIAGNOSTIC PROCEDURE  . If coolant was not filled by customer, go to next step.
  3. Start engine. Set temperature control lever to full cold position. Turn A/C and blower on. Let engine idle for a few minutes with A/C operating.
  4. Cooling fan should operate at low speed. If cooling fan operates as specified, go to next step. If cooling fan does not operate as specified, go to DIAGNOSTIC PROCEDURE  .
  5. Turn ignition off. Turn A/C and blower off. Disconnect ECT sensor harness connector. See Figure . Connect a 150 ohm resistor between ECT sensor harness connector terminals. Start engine.
  6. Cooling fan should operate at high speed. If cooling fan operates as specified, system is okay at this time. If cooling fan does not operate as specified, go to DIAGNOSTIC PROCEDURE  .
scientia non olet · About LEMON Manuals