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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 HI terminal and LO terminal change to one of the following ON/OFF combinations listed in the table below.

Transfer Position Switch Terminal H4F Between H4F and H4L H4L Between H4L and L4L L4L
HI ON OFF ON OFF OFF
LO OFF OFF ON OFF ON

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

DTC No. DTC Detection Condition
  1. Diagnosis Condition
  2. Malfunction Status
  3. Malfunction Time
  4. Other
 Trouble Area
P163B
  1. Ignition switch turned to ON
  2. The ON/OFF combination of the HI terminal and LO terminal does not match the pattern
  3. 60 seconds or more
  4. 1 trip detection logic
  • Wire harness and connector
  • 4 wheel drive control ECU
  • Transfer position switch
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