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Home >> Lexus >> 2021 >> RC F Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission System - Diagnostic Codes (2 Of 3) >> Automatic Transmission System >> DTC P07C1: Input/Turbine Speed Sensor "B" Circuit Low; DTC P07C2: Input/Turbine Speed Sensor "B" Circuit High; DTC P2767: Input / Turbine Speed Sensor "B" Circuit No Signal [11/2017 - ] >> Description
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DTC P07C1: Input/Turbine Speed Sensor "B" Circuit Low; DTC P07C2: Input/Turbine Speed Sensor "B" Circuit High; DTC P2767: Input / Turbine Speed Sensor "B" Circuit No Signal [11/2017 - ]: Description

The transmission revolution sensor (NC3) detects the automatic transmission No. 3 clutch drum rotation speed.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory
P07C1 Input/Turbine Speed Sensor "B" Circuit Low 1. Diagnosis Condition 2. Malfunction Status 3. Malfunction Time 4. Other
  1. With the park/neutral position switch assembly and transmission revolution sensor (NC3) in normal condition, output wheel speed is 1000 rpm or more (when changing to 7th gear, output wheel speed is 1400 rpm or more)
  2. Transmission revolution sensor (NC3) output voltage is less than 0.2 V
  3. 4.5 seconds
  4. 1-trip detection logic
  • Transmission revolution sensor (NC3)
  • Transmission wire
  • Harness and connector
  • TCM
Comes on DTC stored
P07C2 Input/Turbine Speed Sensor "B" Circuit High 1. Diagnosis Condition 2. Malfunction Status 3. Malfunction Time 4. Other
  1. With the park/neutral position switch assembly and transmission revolution sensor (NC3) in normal condition, output wheel speed is 1000 rpm or more (when changing to 7th gear, output wheel speed is 1400 rpm or more)
  2. Transmission revolution sensor (NC3) output voltage is more than 1.8 V
  3. 4.5 seconds
  4. 1-trip detection logic
  • Transmission revolution sensor (NC3)
  • Transmission wire
  • Harness and connector
  • TCM
Comes on DTC stored
P2767 Input / Turbine Speed Sensor "B" Circuit No Signal 1. Diagnosis Condition 2. Malfunction Status 3. Malfunction Time 4. Other
  1. With the park/neutral position switch assembly and transmission revolution sensor (NC3) in normal condition, output wheel speed is 1000 rpm or more (when changing to 7th gear, output wheel speed is 1400 rpm or more)
  2. Transmission revolution sensor (NC3) sensor value is less than 300 rpm
  3. 5 seconds
  4. 1-trip detection logic
  • Transmission revolution sensor (NC3)
  • Transmission wire
  • Harness and connector
  • TCM
Comes on DTC stored