Mitsubishi 6M70 Workshop Manual page 346

EXHAUST GAS RECIRCULATION SYSTEM
P1268: EGR1 (warning lamp: 67)
Generation condition
Recoverability
Control effected by electronic control unit
Service data
Actuator test
Inspection
Electrical equipment
Electric circuit diagram
P1272: EGR2 (warning lamp: 68)
Generation condition
Recoverability
Control effected by electronic control unit
Service data
Actuator test
Inspection
Electrical equipment
Electric circuit diagram
P1273: EGR2 (warning lamp: 68)
Generation condition
Recoverability
Control effected by electronic control unit
Service data
Actuator test
Inspection
Electrical equipment
Electric circuit diagram
P1277: EGR3 (warning lamp: 69)
Generation condition
Recoverability
Control effected by electronic control unit
Service data
Actuator test
Inspection
Electrical equipment
Electric circuit diagram
17-12
Controller area network signal from exhaust gas recirculation electronic drive unit
indicating "magnetic valve (M/V-1) circuit shorted to power source" remains being
received for 2 seconds.
System recovers if controller area network signal from exhaust gas recirculation
electronic drive unit indicating "magnetic valve (M/V-1) is normal" remains being
received for 1 second.
Exhaust gas recirculation control is stopped.
20: Actual EGR Position
A1: EGR1
#530: Exhaust gas recirculation magnetic valve
Exhaust gas recirculation magnetic valve system
Controller area network signal from exhaust gas recirculation electronic drive unit
indicating "magnetic valve (M/V-2) circuit shorted to ground or open" remains be-
ing received for 2 seconds.
System recovers if controller area network signal from exhaust gas recirculation
electronic drive unit indicating "magnetic valve (M/V-2) is normal" remains being
received for 1 second.
Exhaust gas recirculation control is stopped.
20: Actual EGR Position
A2: EGR2
#530: Exhaust gas recirculation magnetic valve
Exhaust gas recirculation magnetic valve system
Controller area network signal from exhaust gas recirculation electronic drive unit
indicating "magnetic valve (M/V-2) circuit shorted to power source" remains being
received for 2 seconds.
System recovers if controller area network signal from exhaust gas recirculation
electronic drive unit indicating "magnetic valve (M/V-2) is normal" remains being
received for 1 second.
Exhaust gas recirculation control is stopped.
20: Actual EGR Position
A2: EGR2
#530: Exhaust gas recirculation magnetic valve
Exhaust gas recirculation magnetic valve system
Controller area network signal from exhaust gas recirculation electronic drive unit
indicating "magnetic valve (M/V-3) circuit shorted to ground or open" remains be-
ing received for 2 seconds.
System recovers if controller area network signal from exhaust gas recirculation
electronic drive unit indicating "magnetic valve (M/V-3) is normal" remains being
received for 1 second.
Exhaust gas recirculation control is stopped.
20: Actual EGR Position
A3: EGR3
#530: Exhaust gas recirculation magnetic valve
Exhaust gas recirculation magnetic valve system