Komatsu PC88MR-10 Shop Manual page 347

Equipment name
Charge (Boost) pressure
sensor
Ambient pressure sensor
Common rail pressure
sensor
Crankcase pressure
sensor
Throttle sensor (fuel dial)
Engine oil pressure switch
Machine control
Equipment name
Travel speed selector
solenoid
Swing holding brake
solenoid
Attachment return
selector solenoid
PC-EPC solenoid
Attachment oil flow
adjustment EPC solenoid
1
Attachment oil flow
adjustment EPC solenoid
2
PC88MR-10
Procedure, measuring location, criteria and remarks
1. Turn starting switch to OFF position.
2. Insert T-adapter into connector J1.
3. Turn starting switch to ON position.
Voltage Between J1 (15) and (59)
1. Turn starting switch to OFF position.
2. Insert T-adapter into connector J1.
3. Turn starting switch to ON position.
Between J1 (16) and (59) or
Voltage
between PAMB (3) and (2)
1. Turn starting switch to OFF position.
2. Insert T-adapter into connector PFUEL or J2
3. Turn starting switch to ON position.
Between PFUEL (2) and (3) or
Voltage
between J2 (21) and (44)
1. Turn starting switch to OFF position.
2. Insert T-adapter into connector J1 or CCV.
3. Turn starting switch to ON position.
Between J1 (3) and (59) or
Voltage
between CCV (3) and (2)
1. Turn starting switch to OFF position.
2. Disconnect connector FP, and connect T-adapter to male side.
Between FP (male) (A) and (C)
Between FP (male) (B) and (C)
Resistance
Between FP (male) (A) and (B)
1. Turn starting switch to OFF position.
2. Disconnect connector POIL , and connect T-adapter to male side.
Between POIL (male) (1) and ground
Resistance
(PC88MR-E000-033-P-00-A)
Procedure, measuring location, criteria and remarks
1. Turn starting switch to OFF position.
2. Disconnect connector V02, and connect T-adapter to male side.
Between V02 (male) (1) and (2)
Resistance
Between V02 (male) (1) and ground
1. Turn starting switch to OFF position.
2. Disconnect connector V03, and connect T-adapter to male side.
Between V03 (male) (1) and (2)
Resistance
Between V03 (male) (1) and ground
1. Turn starting switch to OFF position.
2. Disconnect connector V06, and connect T-adapter to male side.
Between V06 (male) (1) and (2)
Resistance
Between V06 (male) (1) and ground
1. Turn starting switch to OFF position.
2. Disconnect connector V11, and connect T-adapter to male side.
Between V11 (male) (1) and (2)
Resistance
Between V11 (male) (1) and ground
1. Turn starting switch to OFF position.
2. Disconnect connector V91, and connect T-adapter to male side.
Between V91 (male) (1) and (2)
Resistance
Between V921 (male) (1) and ground
1. Turn starting switch to OFF position.
2. Disconnect connector V92, and connect T-adapter to male side.
Between V92 (male) (1) and (2)
Resistance
20 Standard value tables
Standard value table for electrical system
Sensor output
Sensor output
Sensor output
Sensor output
0.3 to 4.7 V
0.3 to 4.7 V
0.2 to 4.6 V
0.3 to 4.7 V
4.0 to 6.0 kz
3 to 7 kz
3 to 7 kz
Max. 1 z
20 to 60 z
Min. 1 Mz
20 to 60 z
Min. 1 Mz
20 to 60 z
Min. 1 Mz
3 to 14 z
Min. 1 Mz
3 to 14 z
Min. 1 Mz
3 to 14 z
20-23