4. Troubleshooting
4-16
Blinking
pattern
Details
Item to be detected
34
Charge circuit fault (bank 1)
ECU charge circuit 1 fault (internal burnout,
open circuit, etc.)
Charge circuit fault (bank 2)
ECU charge circuit 2 fault (internal burnout,
open circuit, etc.)
36
A/D conversion fault
A/D conversion fault
44
EGR position fault
(Brushless specification)
Open/short circuit/breakage of sensor or harness
45
EGR valve control fault
Trouble/open circuit or valve engage/stuck drive
motor side
51
CPU fault
CPU fault
52
CPU monitoring IC fault
Sub-CPU fault
53
ROM fault
ROM fault
54
EEPROM fault
EEPROM fault
55
Voltage fault in 5V power supply 1
Power supply wiring short to sensor, or breakage
in element/circuit for power supply regulation
inside ECM
Voltage fault in 5V power supply 2
Voltage fault in 5V power supply 3
Voltage fault in 5V power supply 4
Voltage fault in 5V power supply 5
66
Glow relay fault
Open/short circuit/damage of relay or harness
71
Barometric pressure sensor fault
(low voltage fault)
Open/short circuit/deterioration of sensor or
harness
Barometric pressure sensor fault
(high voltage fault)
Short circuit in sensor or harness
77
Check engine lamp fault
Lamp fault
84
CAN-Bus fault
CAN communication fault
85
CAN-time out fault
CAN communication fault
118
Common rail pressure fault (1st stage)
Common rail pressure abnormal increase
Common rail pressure fault
(2nd stage)
151
Common rail pressure fault
(Excessive pressure feed in pump)
Common rail pressure abnormal increase
158
Injection nozzle common 1 drive system
fault
Open/short circuit in injection common 1-side
electrical wiring, EDU output part fault
159
Injection nozzle common 2 drive system
fault
Open/short circuit in injection common 2-side
electrical wiring, EDU output part fault
211
Fuel temperature sensor fault
(low voltage fault)
Short circuit in sensor or harness
Fuel temperature sensor fault
(high voltage fault)
Open/short circuit/breakage of sensor or harness
225
Pressure limiter open
Pressure limiter is opened
227
No pump pressure feed (fuel leakage)
Common rail pressure does not increase to the
required area
No pump pressure feed (fuel leakage)
Fuel leakage (large amount)
245
Common rail pressure sensor fault (low
voltage fault)
Short circuit in sensor or harness
Common rail pressure sensor fault (high
voltage fault)
Open/short circuit/breakage of sensor or harness
247
SCV drive system open circuit, +B short
or ground short
Open/short circuit of SCV/harness
271
Open circuit injection nozzle #1 drive
system
Open/short circuit in electrical wiring No.1
cylinder injection
272
Open circuit injection nozzle #2 drive
system
Open/short circuit in electrical wiring No.2
cylinder injection
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Summary of Contents for PDS400S-6C3
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