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COMMON RAIL SYSTEM
V3800-CR-TE4,V3800-CR-TIE4, DM
1-S234
9Y1200192CRS0704US0
1, Check the "P-GND" Wiring Harness
1. Place the key switch in the OFF position, unplug the ECU wiring
harness connector 2 (B: 58 Pin) from the socket, and measure
the resistance between each of ECU terminals B-3 or B-4 and
the chassis ground (at the wiring harness side).
9Y1200192CRS0794US0
2. Check the Wiring Harness Connectors and ECU Pins
1. Place the key switch in the OFF position, unplug the ECU
connector 1 (A: 96 Pin) from the socket, and check the ECU pins
for faulty connection, deformation, poor contact or other defects.
9Y1200192CRS0795US0
(1) Terminal COMMON
(2) Terminal TWV
(a) Terminal Layout
(b) Engine Cylinder No.
(c) Injector
(d) Rated Amperage Circuit
(e) High Voltage Generation
Circuit
(f)
Control Circuit
(g) ECU Connector 1
(A: 96 Pin)
Factory
specification
1.5
Ω
or lower
OK
Go to "2. Check the Wiring Harness Connectors and ECU Pins".
NG
Check the "P-GND" wiring harness.
→
Repair.
Locate the cause of open circuit, or increase its resistance value.
Factory
specification
Must be free from faulty connection, deformation, poor
contact or other defects.
OK
Go to "3. Measure the ECU Terminal Voltage (Part 1)".
NG
Repair wiring harness connectors and ECU pins, or replace them if
defective.
KiSC issued 05, 2012 A