LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2008 >> Altima Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Control System (Hybrid)) >> Component Diagnosis >> P1217 Engine Over Temperature >> DTC Logic >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

WARNING: This page is about a different variant/trim than selected.
NOTE:
  • If DTC P1217 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX.

If the cooling fan or another component in the cooling system malfunctions, engine coolant temperature will rise.

When the engine coolant temperature reaches an abnormally high temperature condition, a malfunction is indicated.

DTC DETECTING CONDITION AND POSSIBLE CAUSE

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1217 Engine over temperature (Overheat)
  • Cooling fan does not operate properly (Overheat).
  • Cooling fan system does not operate properly (Overheat).
  • Engine coolant was not added to the system using the proper filling method.
  • Engine coolant is not within the specified range.
  • Harness or connectors (The cooling fan circuit is open or shorted.)
  • IPDM E/R
  • Cooling fan relays-1
  • Cooling fan motors
  • Radiator hose
  • Radiator
  • Radiator cap
  • Reservoir tank
  • Water pump
  • Thermostat
  • Water control valve
CAUTION: When a malfunction is indicated, be sure to replace the coolant. Refer to "ENGINE COOLANT : CHANGING ENGINE COOLANT ". Also, replace the engine oil. Refer to "ENGINE OIL : CHANGING ENGINE OIL ".
  1. Fill radiator with coolant up to specified level with a filling speed of 2 liters per minute. Be sure to use coolant with the proper mixture ratio. Refer to "FLUIDS AND LUBRICANTS ".
  2. After refilling coolant, run engine to ensure that no water-flow noise is emitted.