OBD System Description - Comprehensive Component Rationality Monitor
OBD System Description - Comprehensive Component Rationality Monitor
Monitoring Procedure
Input signal of transmission range sensor (P0707), transmission range sensor (P0705), transmission fluid temperature sensor (P0711), input shaft speed sensor (P0717), output shaft speed sensor (P0722), TCC lock-up solenoid valve (P0741, P0742), shift solenoid valve (P0751, P0752, P0756, P0757), TCM (P062F, P1702), 4L/N switch (P1874, P1875) CAN communication (U0073, U0100) are checked for circuit rationality by monitoring each sensor and vehicle condition.
DTC Description / Detecting Condition / Confirmation Procedure
P062F, P1702
Refer to Control Module Programming Error / Internal Control Module EEPROM Error / Internal Control Module Memory Check Sum Erro DTC P0602 / P062F / P1702: Control Module Programming Error / Internal Control Module EEPROM Error / Internal Control Module Memory Check Sum Error.
P0705
Refer to P0705 DTC P0705: Transmission Range Sensor Circuit Malfunction.
P0707
Refer to P0707 DTC P0707: Transmission Range Sensor Circuit Low.
P0711
Refer to P0711 DTC P0711: Transmission Fluid Temperature Sensor "A" Circuit Range / Performance.
P0717
Refer to P0717 DTC P0717: Input / Turbine Speed Sensor "A" Circuit No Signal.
P0722
Refer to P0722 DTC P0722: Output Speed Sensor Circuit No Signal.
P0741, P0742
Refer to P0741 DTC P0741 / P0742: Torque Converter Clutch Circuit Performance or Stuck OFF / Stuck ON.
P0751, P0752
Refer to P0751 DTC P0751 / P0752: Shift Solenoid "A" Performance or Stuck OFF / Stuck ON.
P0756, P0757
Refer to P0756 DTC P0756 / P0757: Shift Solenoid "B" Performance or Stuck OFF / Stuck ON.
P1874
Refer to P1874 DTC P1874: 4WD Low Switch Circuit Malfunction (Short).
P1875
Refer to P1875 DTC P1875: 4WD Low Switch Circuit Malfunction (Open).
U0073
Refer to U0073 DTC U0073: Control Module Communication Bus Off.
U0100
Refer to U0100 DTC U0100: Lost Communication with ECM / PCM "A".
TCM Internal Circuit / Memory Monitor
Operation
Enable conditions
Typical malfunction thresholds
Transmission Range Sensor Rationality Monitor
Operation
Enable conditions
Typical malfunction thresholds
Transmission Range Sensor Rationality Monitor
Monitoring procedure
Operation
Enable conditions
Typical malfunction thresholds
Transmission Fluid Temperature Sensor Rationality Monitor
Operation
Enable conditions
Typical malfunction thresholds
Input Shaft Speed Sensor Rationality Monitor
Operation
Enable conditions
Typical malfunction thresholds
Output Shaft Speed Sensor Rationality Monitor
Operation
Enable conditions
Typical malfunction thresholds
TCC Solenoid Valve Rationality Monitor
Monitoring procedure
TCM monitors operation (engagement condition) of TCC in response to ON/OFF command to the TCC solenoid using input and output speed sensor signals.
Operation
Enable conditions
Typical malfunction thresholds
Shift Solenoid Valve "A" Rationality Monitor
Monitoring procedure
TCM calculates the actual transmission gear ratio from input and output speed sensor signals and monitor it.
TCM detects a trouble when the actual transmission gear ratio is not equal to the ratio of each gear as commanded by TCM.
Operation
Enable conditions
Typical malfunction thresholds
Shift Solenoid Valve "B" Rationality Monitor
Monitoring procedure
TCM calculates the actual transmission gear ratio from input and output speed sensor signals and monitor it.
TCM detects a trouble when the actual transmission gear ratio is not equal to the ratio of each gear as commanded by TCM.
Operation
Enable conditions
Typical malfunction thresholds
4L/N Switch Rationality Monitor
Operation
Enable conditions
Typical malfunction thresholds
CAN Communication Signal Circuit Rationality Monitor
Operation
Enable conditions
Typical malfunction thresholds
