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CAN BUS DIAGNOSTICS TABLE Mitsubishi Outlander III

Controller Area Network (CAN): Diagnosis 24 illustrations ~748 words

CAN BUS DIAGNOSTICS TABLE

CAUTIONA diagnostic trouble code may not also be set in the CAN-B lines under the conditions below. If no diagnostic trouble code has been set due to electrical noise, confirm diagnostic item 26 DIAGNOSTIC ITEM 26: SHORT TO POWER SUPPLY OR GROUND, OPEN CIRCUIT OR LINE-TO-LINE SHORT IN THE CAN-B BUS LINES. . Open circuit at the CAN_H side of the CAN-B bus lines Open circuit at the CAN_L side of the CAN-B bus line Short to ground at the CAN_H side of the CAN-B bus line
CAUTIONDuring diagnosis, a diagnostic trouble code associated with another system may be set when the ignition switch is turned on with connector(s) disconnected. After completing the repair, confirm all systems for diagnostic trouble code(s). If diagnostic trouble code(s) are set, erase them all.

This diagnosis applies only to the CAN bus lines. If a different system is defective, proceed to the applicable diagnosis section for each system. Observe the diagnostic procedure below only when the CAN bus line is defective.

CAN BUS DIAGNOSTICS Scan tool screen (The ECUs that are not adopted are not displayed). Comment Diagnosis detail no. Short circuit to battery in red displayed area is estimated. DIAGNOSTIC ITEM 1: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY ETACS-ECU Grounding in red displayed area is estimated. DIAGNOSTIC ITEM 2: MALFUNCTION OF THE ETACS-ECU. CAN-C: A bus-off failure is present in the gateway ECU. DIAGNOSTIC ITEM 3: ABNORMAL SHORT BETWEEN THE CAN-C BUS LINES. CAN-C: Grounding in red displayed area is estimated DIAGNOSTIC ITEM 4: DIAGNOSE SHORTS IN THE GROUND TO CAN-C BUS LINE. CAN-C: Short circuit to battery in red displayed area is estimated DIAGNOSTIC ITEM 5: DIAGNOSE SHORTS IN THE POWER SUPPLY TO CAN-C BUS LINE. CAN-C: Disconnection in red displayed area is estimated. DIAGNOSTIC ITEM 6: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY AWD-ECU < 4WD >. CAN-C: Disconnection in red displayed area is estimated. DIAGNOSTIC ITEM 7: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY STEERING WHEEL SENSOR. CAN-C: Disconnection in red displayed area is estimated. DIAGNOSTIC ITEM 8: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY TCM < CVT >. CAN-C: Disconnection in red displayed area is estimated. DIAGNOSTIC ITEM 9: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY ASC-ECU. CAN-C: Disconnection in red displayed area is estimated. DIAGNOSTIC ITEM 10: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY ELECTRIC POWER STEERING-ECU. CAN-C: Disconnection in red displayed area is estimated. DIAGNOSTIC ITEM 11: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY ECM. CAN-C: Disconnection in red displayed area is estimated. DIAGNOSTIC ITEM 12: DIAGNOSE THE LINES BETWEEN THE ETACS-ECU AND JOINT CONNECTOR (CAN2). CAN-C: Disconnection in red displayed area is estimated. DIAGNOSTIC ITEM 13: DIAGNOSE THE LINES BETWEEN JOINT CONNECTOR (CAN2) AND JOINT CONNECTOR (CAN3). CAN-B: Disconnection in red displayed area is estimated. DIAGNOSTIC ITEM 14: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY COMBINATION METER. CAN-B: Disconnection in red displayed area is estimated. DIAGNOSTIC ITEM 15: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY KOS-ECU < VEHICLES WITH KOS >. DIAGNOSTIC ITEM 16: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY WCM < VEHICLES WITHOUT KOS >. CAN-B: Disconnection in red displayed area is estimated. DIAGNOSTIC ITEM 17: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY SRS-ECU. CAN-B: Disconnection in red displayed area is estimated. DIAGNOSTIC ITEM 18: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY OCCUPANT CLASSIFICATION-ECU. CAN-B: Disconnection in red displayed area is estimated. DIAGNOSTIC ITEM 19: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY A/C-ECU. CAN-B: Disconnection in red displayed area is estimated. DIAGNOSTIC ITEM 20: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY RADIO AND CD PLAYER. CAN-B: Disconnection in red displayed area is estimated. DIAGNOSTIC ITEM 21: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY CAN BOX UNIT < VEHICLES WITH MMCS >. CAN-B: Disconnection in red displayed area is estimated. DIAGNOSTIC ITEM 22: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY SATELLITE RADIO TUNER. CAN-B: Disconnection in red displayed area is estimated. DIAGNOSTIC ITEM 23: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY OSS-ECU < VEHICLES WITH KOS >. CAN-B: A failure in the red section, or a bus-off failure is present in the gateway ECU. DIAGNOSTIC ITEM 24: SHORT TO POWER SUPPLY OR GROUND IN BOTH CAN_H AND CAN_L LINES OF THE CAN-B BUS LINES. CAN-B: Disconnection in red displayed area is estimated. DIAGNOSTIC ITEM 25: DIAGNOSE THE ETACS-ECU, JOINT CONNECTOR (CAN1) OR LINES BETWEEN ETACS-ECU AND JOINT CONNECTOR (CAN1). CAN-B: Disconnection in red displayed area is estimated. DIAGNOSTIC ITEM 26: SHORT TO POWER SUPPLY OR GROUND, OPEN CIRCUIT OR LINE-TO-LINE SHORT IN THE CAN-B BUS LINES.

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Scheme 124: CAN-RELATED CONNECTOR POSITION
Scheme 124: CAN-RELATED CONNECTOR POSITION
Connector No.Connector name
A-03ASC-ECU
B-27Engine control module (ECM)
C-05Joint connector (CAN1)
C-09Wireless control module (WCM) < Vehicles without KOS >
C-10KOS-ECU < Vehicles with KOS >
C-14OSS-ECU < Vehicles with KOS >
C-17Intermediate connector (Instrument panel wiring harness and floor wiring harness combination)
C-24Joint connector (CAN3)
C-27Intermediate connector (Front wiring harness and AWD sub wiring harness combination)
C-37Satellite radio tuner < Vehicles with satellite radio >
C-103Radio and CD player or CD changer
C-104Intermediate connector (Instrument panel wiring harness and multivision display wiring harness combination) < Vehicles with MMCS >
C-119CAN box unit < Vehicles with MMCS >
C-126SRS-ECU
C-128Intermediate connector (Instrument panel wiring harness and front wiring harness combination)
C-131Transaxle control module (TCM) < CVT >
C-202Joint connector (CAN2)
C-203Combination meter
C-210A/C-ECU
C-221Electric power steering-ECU (EPS-ECU) < Vehicles with electric power steering >
C-227Data link connector
C-228AWD-ECU < 4WD >
C-310Steering wheel sensor
C-411ETACS-ECU
D-48Front seat assembly (RH)
D-48-2Occupant classification-ECU

CAN-RELATED CONNECTORS