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Home >> Toyota >> 2021 >> 4Runner TRD Off-Road >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Touch Select 2-4 And High-Low System (VF2CM) - Diagnostic Codes & Circuit Tests) >> Touch Select 2-4 And High-Low System >> DTC P279E: Four Wheel Drive (4WD) Range Signal Circuit Range / Performance [08/2019 - ] >> Description

DTC P279E: Four Wheel Drive (4WD) Range Signal Circuit Range / Performance [08/2019 - ]: Description

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When the transfer position switch is switched, the 2-4 terminal and LO terminal change to one of the following ON/OFF combinations listed in the table below.

Terminal H2 Between H2 and H4 H4 Between H4 and L4 L4
2-4 ON OFF ON OFF OFF
LO OFF OFF ON OFF ON

This DTC is detected if the transfer position switch 2-4 terminal and LO terminal signals are simultaneously received.

DTC No. Detection Item DTC Detection Condition Trouble Area
P279E Four Wheel Drive (4WD) Range Signal Circuit Range / Performance
  • Diagnosis Condition: Ignition switch turned to ON
  • Malfunction Status: The ON/OFF combination of the 2-4 terminal and LO terminal does not match the pattern
  • Malfunction Time: 60 seconds or more
  • Other: 1 trip detection logic
  • Wire harness and connector
  • 4 wheel drive control ECU
  • Transfer position switch