LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2024 >> CX-90 Turbo Select >> Repair and Diagnosis >> Transmission >> Automatic Trans >> On-Board Diagnostic - Automatic Transaxle (Mm8AX-EC) >> DTC P0791-00: Intermediate Shaft Speed Sensor: Sensor Characteristic Malfunction

DTC P0791-00: Intermediate Shaft Speed Sensor: Sensor Characteristic Malfunction

System malfunction location Intermediate shaft speed sensor: Sensor characteristic malfunction
Detection condition
  • There is no correlation between the intermediate shaft speed signal and the turbine/input shaft speed signal.

    Precondition 

  • Vehicle is being driven (not during shifting)
Fail-safe
  • Inhibits learning control.
  • Inhibits manual mode.
  • Inhibits i-stop control. (Without Mazda M Hybrid boost)
  • Inhibits AAS.
Possible cause
  1. DTC is stored in the TCM. (Sensor power supply No. 2 low voltage malfunction) (See P0652-00: ).
  2. Malfunction in the following control valve body component parts (Refer to [CONTROL VALVE BODY REMOVAL/INSTALLATION ] in service information).
    • Intermediate shaft speed sensor
    • Intermediate shaft speed sensor signal circuit
    • Intermediate shaft speed sensor power supply circuit
  3. Malfunction in the following automatic transmission component parts (Refer to [AUTOMATIC TRANSMISSION REMOVAL/INSTALLATION ] in service information).
    • Intermediate shaft speed sensor rotor
Repeatability verification procedure
  1. Clear the DTC recorded in the memory. (See CLEARING DTC .)
  2. Perform the following procedure to ensure that the DTC has been resolved:
    • Drive the vehicle under the following condition:
    • Vehicle speed: 30 km/h {19 mph} or more
System wiring diagram
  • Not applicable