Troubleshoot Trouble judgment time
0611
Charge circuit abnormality (bank 1)
ECU charge Main relay power supply circuit 1 voltage is 16 V or higher. abnormality (internal burning, disconnections, etc.)
ECU internal charge circuit bank 1 voltage is low.
About 1.5 sec.
0612
Charge circuit abnormality (bank 2)
ECU charge Main relay power supply circuit 2 voltage is 16 V or higher. abnormality (internal burning, disconnections, etc.)
ECU internal charge circuit bank 2 voltage is low.
About 1.5 sec.
1093
No pump Fuel leak pressure (large) send (2nd stage)
・
*2
High engine vibration, unstable idling speed, output reduction, revving problems, and engine stalling are possible. Back-up: Common 2 stop (No. 4, 5, 6 cylinder stop), EGR stop Actual rail presAbout 8 sec. High engine vibration, unstaKey switch input voltage sure higher than ble idling speed, output is 16 V or higher. reduction, revving probDTC: 0090, 0092, 0192, target rail preslems, black smoke, engine 0193, 1093, 1291, 1292 sure for 10 MPa or more holds 8 sec. stalling, and excess output and 1635 are not or more when are possible. detected. Back-up: Injection quantity Engine coolant tempera- judgment of "No pump pressure restriction 3 (multi-injection ture is 60 ℃ or more. feed (1st stage)"is stop) Target common rail 375 min-1 or more. completed. pressure upper limit (80 Or pressure feed MPa) indication is limit +1°CA or less, and actual rail pressure lower than target rail pressure for 10 MPa or more holds 8 sec. or more.
*2
・
・ Key switch input voltage ・ Pressure is 16 V or higher. limiter opens. ・ DTC: 0192, 0193, 1095, ・ Common rail 1630 and 1635 are not pressure detected. exceeds 200 ・ At least 50 min-1 MPa.
Conceivable cause ECM terminal, ECM ground terminal problem (disconnection, high resistance) ECM internal problem
ECM terminal, ECM ground terminal problem (disconnection, high resistance) ECM internal problem
TE RN
High engine vibration, unstable idling speed, output reduction, revving problems, and engine stalling are possible. Back-up: Common 1 stop (No. 1, 2, 3 cylinder stop), EGR stop
CO US N F E ID O E F N TS TI M AL GL : F O OR BA T L H
・
Recovery from failure
*1
Fuel system clogged, line (hose) blocked Charge fuel pump problem (discharge problem) Wiring problem (short) between ECM and common rail pressure sensor Injector problem Supply pump problem Common rail pressure sensor problem (common rail) Pressure limiter problem (common rail)
*1
Fuel system line (hose), etc. blocked Air in fuel system (check hose connection) Pressure limiter problem Common rail pressure sensor problem Wiring problem (short) between ECM and common rail pressure sensor Supply pump problem ECM internal problem
IN
・
Behavior during trouble
E
Detected item
DTC setting conditions
DTC name
AL
Preconditions when DTC is set
DTC
About 1 sec. Output reduction, hunting Back-up: Injection quantity restriction 1
1095
Pressure limiter open
Pressure limiter opened.
1112
Boost temperature sensor abnormality (abnormally low voltage)
Sensor or ・ Key switch input voltage harness is 16 V or higher. disconnection, ・ DTC: 1634 is not short, detected. breakage
Boost temperature About 4 sec. No effect on operation sensor voltage is Back-up: No back-up below 0.1 V. operation
*2
Wiring problem (disconnection, short, high resistance) between ECM and boost temperature sensor Boost temperature sensor problem ECM internal problem
1113
Boost Sensor or ・ Key switch input voltage temperature harness short is 16 V or higher. sensor ・ DTC: 1634 is not abnormality detected. (abnormally ・ Engine coolant high voltage) temperature is 50 ℃ or higher. ・ At least 5 min. passed after start.
Boost temperature About 4 sec. No effect on operation sensor voltage is Back-up: No back-up above 4.95 V operation
*2
Wiring problem (disconnection, short, high resistance) between ECM and boost temperature sensor Boost temperature sensor problem ECM internal problem
1173
Overheat
About 5 sec. No effect on operation ・ Key switch input voltage Engine coolant Back-up: No back-up is 16 V or higher. temperature is operation ・ DTC: 0117, 0118, 1630, higher than 110 ℃ . and 1633 are not detected. ・ Engine must be running.
*2
Wiring problem (short) between ECM and ECT (engine coolant temperature) sensor Engine cooling system problem (radiator clog) Engine coolant level too low Engine coolant temperature sensor problem
TST-10-06-005EN
Overheat status
97 6
