Attachment Hydraulic Circuit Cannot Be Changed - Komatsu PC200-8M0 Shop Manual

400 Troubleshooting of electrical system (E-mode)
E-35 Attachment hydraulic circuit cannot be changed
E-35 Attachment hydraulic circuit cannot be changed
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Attachment circuit is not changed
Failure 1) When working mode P or E is selected, crusher circuit (two-way circuit) is not selected.
2) When working mode B is selected, breaker circuit (one-way circuit) is not selected.
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Related infor- Failures (open circuit, short circuit) of attachment oil return selector solenoid are troubleshot for fail-
mation ure codes [DWA2KA] and [DWA2KB].
Cause
Defective attachment oil return
1 selector solenoid (internal short
circuit)
Hot short circuit in wiring harness
2
(contact with 24 V circuit)
Circuit diagram related to attachment oil return selector solenoid
PC200, 200LC, 220, 220LC-8M0
Procedure, measuring location, criteria and remarks
1. Turn starting switch to OFF position.
2. Disconnect connector V06 and connect T-adapter to male side.
Between V06 (male) (1) and (2)
Between V06 (male) (1) and ground
1. Turn starting switch to OFF position.
2. Disconnect connector V06 and connect T-adapters to female side.
3. Turn starting switch to ON position.
Between V06 (female) (1) and ground
SEN06138-00
20 – 60 z
Resistance
Resistance Min. 1 Mz
Voltage Max. 3 V
40-400
55