Can Bus Diagnostics Table

CAUTION: A diagnostic trouble code may not also be stored in the CAN-B lines under the conditions below. If no diagnostic trouble code has been stored due to electrical noise, confirm diagnostic item 23 DIAGNOSTIC ITEM 23: 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

CAUTION: During diagnosis, a diagnostic trouble code associated with another system may be stored 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 stored, 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.

Scan tool screen (The ECUs that are not adopted are not displayed).	Comment	Diagnosis detail	Reference page
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.	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	DIAGNOSTIC ITEM 1: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY ETACS-ECU
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.	Grounding in red displayed area is estimated.	Diagnostic item 2 Malfunction of the ETACS-ECU	DIAGNOSTIC ITEM 2: MALFUNCTION OF THE ETACS-ECU .
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.	CAN-C: A bus-off failure is present in the gateway ECU.	Diagnostic item 3 Abnormal short between the CAN-C bus lines	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	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	DIAGNOSTIC ITEM 5: DIAGNOSE SHORTS IN THE POWER SUPPLY TO CAN-C BUS LINE .
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.	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 < AWD >	DIAGNOSTIC ITEM 6: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY AWD-ECU < AWD > .
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.	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	DIAGNOSTIC ITEM 7: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY STEERING WHEEL SENSOR .
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.	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 >	DIAGNOSTIC ITEM 8: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY TCM < CVT > .
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.	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	DIAGNOSTIC ITEM 9: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY ASC-ECU .
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.	CAN-C: Disconnection in red displayed area is estimated.	Diagnosis Item 10 Diagnose when the scan tool cannot receive the data sent by electric power steering-ECU.	DIAGNOSTIC ITEM 10: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY ELECTRIC POWER STEERING-ECU .
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.	CAN-C: Disconnection in red displayed area is estimated.	Diagnostic item 11 Diagnose when the scan tool cannot receive the data sent by ECM	DIAGNOSTIC ITEM 11: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY ECM .
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.	CAN-C: Disconnection in red displayed area is estimated.	Diagnostic item 12 Diagnose the lines between the ETACS-ECU and joint connector (CAN2)	DIAGNOSTIC ITEM 12: DIAGNOSE THE LINES BETWEEN THE ETACS-ECU AND JOINT CONNECTOR (CAN2) .
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.	CAN-C: Disconnection in red displayed area is estimated.	Diagnostic item 13 Diagnose the lines between joint connector (CAN2) and joint connector (CAN3)	DIAGNOSTIC ITEM 13: DIAGNOSE THE LINES BETWEEN JOINT CONNECTOR (CAN2) AND JOINT CONNECTOR (CAN3) .
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.	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	DIAGNOSTIC ITEM 14: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY COMBINATION METER .
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.	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 15: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY KOS-ECU < VEHICLES WITH KOS > .
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.	CAN-B: Disconnection in red displayed area is estimated.	Diagnostic item 16 Diagnose when the scan tool cannot receive the data sent by WCM < Vehicles without KOS >	DIAGNOSTIC ITEM 16: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY WCM < VEHICLES WITHOUT KOS > .
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.	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	DIAGNOSTIC ITEM 17: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY SRS-ECU .
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.	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	DIAGNOSTIC ITEM 18: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY OCCUPANT CLASSIFICATION-ECU .
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.	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 control panel	DIAGNOSTIC ITEM 19: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY A/C CONTROL PANEL .
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.	CAN-B: Disconnection in red displayed area is estimated.	Diagnostic item 20 Diagnose when the scan tool cannot receive the data sent by OSS-ECU < Vehicles with KOS >	DIAGNOSTIC ITEM 20: DIAGNOSE WHEN THE SCAN TOOL CANNOT RECEIVE THE DATA SENT BY OSS-ECU < VEHICLES WITH KOS > .
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.	CAN-B: A failure in the red section, or a bus-off failure is present in the gateway ECU.	Diagnostic item 21 Short to power supply or ground in both CAN_H and CAN_L lines of the CAN-B bus lines.	DIAGNOSTIC ITEM 21: SHORT TO POWER SUPPLY OR GROUND IN BOTH CAN_H AND CAN_L LINES OF THE CAN-B BUS LINES .
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.	CAN-B: Disconnection in red displayed area is estimated.	Diagnostic item 22 Diagnose the ETACS-ECU, joint connector (CAN1) or lines between ETACS-ECU and joint connector (CAN1)	DIAGNOSTIC ITEM 22: DIAGNOSE THE ETACS-ECU, JOINT CONNECTOR (CAN1) OR LINES BETWEEN ETACS-ECU AND JOINT CONNECTOR (CAN1) .
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.	CAN-B: Disconnection in red displayed area is estimated.	Diagnostic item 23 Short to power supply or ground, open circuit or line-to-line short in the CAN-B bus lines	DIAGNOSTIC ITEM 23: SHORT TO POWER SUPPLY OR GROUND, OPEN CIRCUIT OR LINE-TO-LINE SHORT IN THE CAN-B BUS LINES .