OBD System Description - Comprehensive Component Rationality Monitor
OBD System Description - Comprehensive Component Rationality MonitorMonitoring Procedure
Input signal of MAF (P0101), IAT (P0111), ECT (P0116, P0125), CKP (P0335, P0336), CMP (P0340, P0341), Fuel level sensor (P0461, P0462, P0463, P0464), VSS (P0500), ECM internal circuit / memory (P0601, P0607, P0630, P1510), Starter (P0616, P0617), MAP (P1107, P1108), Throttle actuator (P2101, P2119), TP (P2135), APP (P2138), Barometric pressure sensor (P2227), CAN communication (U0101, U0121) are checked for circuit rationality by monitoring each sensor and vehicle condition.
DTC Description / Detecting Condition / Confirmation Procedure
P0101
Refer to DTC P0101: Mass Air Flow Circuit Range / Performance. P0101
P0111
Refer to DTC P0111: Intake Air Temperature Sensor Circuit Performance. P0111
P0116
Refer to DTC P0116: Engine Coolant Temperature Circuit Range / Performance. P0116
P0125
Refer to DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control. P0125
P0335
Refer to DTC P0335: Crankshaft Position Sensor Circuit. P0335
P0336
Refer to DTC P0336: Crankshaft Position Sensor Circuit Range / Performance. P0336
P0340
Refer to DTC P0340: Camshaft Position Sensor Circuit. P0340
P0341
Refer to DTC P0341: Camshaft Position Sensor Circuit Range / Performance. P0341
P0461
Refer to DTC P0461: Fuel Level Sensor Circuit Performance. P0461
P0462, P0463
Refer to DTC P0462 / P0463: Fuel Level Sensor Circuit Low / High. P0462 P0463
P0464
Refer to DTC P0464: Fuel Level Sensor Circuit Intermittent. P0464
P0500
Refer to DTC P0500: Vehicle Speed Sensor. P0500
P0601, P0607
Refer to DTC P0601 / P0602 / P0607: Internal Control Module Memory Check Sum Error / Control Module Programming Error / Control Module Performance. P0601 P0607
P0630
Refer to DTC P0630: VIN Not Programmed or Incompatible - ECM. P0630
P1510
Refer to DTC P1510: ECM Back-Up Power Supply Malfunction. P1510
P0616, P0617
Refer to DTC P0616 / P0617: Starter Relay Circuit Low / High. P0616 P0617
P1107, P1108
Refer to DTC P1107 / P1108: Manifold Absolute Pressure Sensor Rationality Check - Low / High. P1107 P1108
P2101
Refer to DTC P2101: Throttle Actuator Control Motor Circuit Range / Performance. P2101
P2119
Refer to DTC P2119: Throttle Actuator Control Throttle Body Range / Performance. P2119
P2135
Refer to DTC P2135: Throttle Position Sensor (Main / Sub) Voltage Correction. P2135
P2138
Refer to DTC P2138: Pedal Position Sensor (Main / Sub) Voltage Correction. P2138
P2227
Refer to DTC P2227: Barometric Pressure Circuit Range / Performance. P2227
U0101
Refer to DTC U0101: Lost Communication with TCM. U0101
U0121
Refer to DTC U0121: Lost Communication with ABS / Electronic Stability Program Control Module. U0121
Operation:
Enable Conditions:
Typical Malfunction Thresholds:
MAP Sensor Rationality Monitor
Operation:
Enable Conditions:
Typical Malfunction Thresholds:
MAF Sensor Rationality Monitor
Operation:
Enable Conditions:
Typical Malfunction Thresholds:
IAT Sensor Rationality Monitor
Operation:
Enable Conditions:
Typical Malfunction Thresholds:
ECT Sensor Rationality Monitor
Operation:
Enable Conditions:
Typical Malfunction Thresholds:
TP Sensor Rationality Monitor
Operation:
Enable Conditions:
Typical Malfunction Thresholds:
Fuel Level Sensor Rationality Monitor
Operation:
Enable Conditions:
Typical Malfunction Thresholds:
VSS Rationality Monitor
Operation:
Enable Conditions:
Typical Malfunction Thresholds:
Barometric pressure sensor rationality monitor
Operation:
Enable Conditions:
Typical Malfunction Thresholds:
CKP Sensor Rationality Monitor
Operation:
Enable Conditions:
Typical Malfunction Thresholds:
CMP Sensor Rationality Monitor
Operation:
Enable Conditions:
Typical Malfunction Thresholds:
Starter signal circuit monitor
Operation:
Enable Conditions:
Typical Malfunction Thresholds:
Enable Conditions:
Typical Malfunction Thresholds:
ECM internal circuit/memory monitor
Operation:
Enable Conditions:
Typical Malfunction Thresholds:
APP Sensor Rationality Monitor
Operation:
Enable Conditions:
Typical Malfunction Thresholds:
CAN Communication Signal Circuit Rationality Monitor