Part 1

OBD System Description - Comprehensive Component (Rationality) Monitor Part 1

System Description / Monitoring Procedure
Input signal of the followings are checked for circuit strategy rationality by monitoring each sensor and vehicle condition. If ECM detects malfunction, the ECM will set DTC.
- MAF sensor (P0101)
- IAT sensor (P0111)
- ECT sensor (P0116)
- CKP sensor (P0335, P0336)
- CMP sensor (P0341, P0346, P0366, P0391)
- Fuel tank pressure sensor (P0451)
- Fuel level sensor (P0461)
- VSS (P0500, P0501)
- ECM power supply circuit (P0560)
- Throttle actuator (P2100, P2101, P2119, P2176)
- TP sensor (P2135)
- APP sensor (P2138)
- CAN communication (U0101, U0121, U0155)

DTC Description / Detecting Condition / Confirmation Procedure
P0101
Refer to DTC P0101 P0101
P0111
Refer to DTC P0111 P0111
P0116
Refer to DTC P0116 / P011B / P0128 P0116
P0335 / P0336
Refer to DTC P0335 / P0336 P0335
P0341 / P0346 / P0366 / P0391
Refer to DTC P0341/ P0346 / P0366 / P0391 P0341
P0451
Refer to DTC P0451 / P0452 / P0453 P0451
P0461
Refer to DTC P0461 / P0462 / P0463 P0461
P0500 / P0501
Refer to DTC P0500 / P0501 P0501
P0560
Refer to DTC P0560 / P0562 / P0563 P0560
P2100 / P2101
Refer to DTC P2100 / P2101 P2100
P2119
Refer to DTC P2119 P2119
P2135
Refer to DTC P2135 P2135
P2138
Refer to DTC P2138 P2138
P2176
Refer to DTC P2176 P2176
U0101 / U0121 / U0155
Refer to CAN DTC (Lost Communication and Communication Bus Off) Table. U Code Charts

MAF sensor Rationality Monitor

Operation