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Home >> Lexus >> 2023 >> ES 350 Base >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission System (UA80E) - Diagnostic Codes (1 Of 3) >> Automatic Transaxle System >> DTC P0705-13: Transmission Range Sensor "A" Circuit Open; DTC P0705-62: Transmission Range Sensor "A" Signal Compare Failure [06/2018 - ] >> Description
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DTC P0705-13: Transmission Range Sensor "A" Circuit Open; DTC P0705-62: Transmission Range Sensor "A" Signal Compare Failure [06/2018 - ]: Description

The park/neutral position switch assembly detects the shift lever position and sends signals to the ECM.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note
P0705-13 Transmission Range Sensor "A" Circuit Open When the engine switch is on (IG) and battery voltage is 8 V or more, NSW, P, R, N and D input signals are all OFF simultaneously for 60 seconds or more (2-trip detection logic).
  • Park/neutral position switch assembly
  • Open in park/neutral position switch assembly circuit
  • ECM
Comes on DTC stored SAE Code:
P0705
P0705-62 Transmission Range Sensor "A" Signal Compare Failure When the engine switch is on (IG) and battery voltage is 8 V or more, 2 or more of the following signals are ON simultaneously for 2 seconds or more (2-trip detection logic).
  • NSW, P or N input signal
  • R input signal
  • D input signal
  • Park/neutral position switch assembly
  • Short in park/neutral position switch assembly circuit
  • ECM
Comes on DTC stored SAE Code:
P0705
DTC DETECTION CONDITION PATTERNS (P0705-62):

  Vehicle Condition
Pattern 1 Pattern 2 Pattern 3 Pattern 4
Diagnostic Condition Engine switch is on (IG)
Battery voltage is 8 V or more
Malfunction Condition NSW input signal is ON - -
P input signal is ON - -
R input signal is ON - -
N input signal is ON - - - -
D input signal is ON - -
Duration 2 seconds or more 2 seconds or more 2 seconds or more 2 seconds or more
Detection Logic 2-trip detection logic 2-trip detection logic 2-trip detection logic 2-trip detection logic
DTC DETECTION CONDITION PATTERNS (P0705-62):

  Vehicle Condition
Pattern 5 Pattern 6 Pattern 7
Diagnostic Condition Engine switch is on (IG)
Battery voltage is 8 V or more
Malfunction Condition NSW input signal is ON - - -
P input signal is ON - - -
R input signal is ON -
N input signal is ON -
D input signal is ON -
Duration 2 seconds or more 2 seconds or more 2 seconds or more
Detection Logic 2-trip detection logic 2-trip detection logic 2-trip detection logic

HINT: 

DTC P0705-62 is stored when any of the above detection patterns is met.