Page 364 - Foton Workshop Manual - Tunland (AT)
P. 364
04-218 DIAGNOSTICS - ENGINE CONTROL SYSTEM
Is the inspection result normal?
YES>To step 3.
No > Maintain or replace the harness.
3 . Check oil rail pressure sensor power supply circuit
04 (a) Ignition switch: OFF.
(b) Disconnect the battery negative cable.
(c) Disconnect the oil rail pressure sensor connector E04.
(d) Connect the battery negative cable.
(e) Ignition switch: ON.
(f) Use a multimeter to measure the voltage
between the pin 3 of the oil rail pressure
sensor connector E04 and ground.
Standard voltage
Multimeter connection
Standard value
pin
E04（3）- ground 4.75～5.25 V
Is the inspection result normal?
YES>To step 4.
No > Maintain or replace the harness.
4 . Check oil rail pressure sensor harness
(a) Ignition switch: OFF.
(b) Disconnect the battery negative cable.
(c) Disconnect the oil rail pressure sensor connector E04.
(d) Disconnect connector E01 of ECM.
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