Page 299 - Foton Workshop Manual - Tunland (AT)

DIAGNOSTICS - ENGINE CONTROL SYSTEM 04-153

(e) Use a multimeter to measure the resistance
between the pin 1 of oil pressure switch
connector E10 and the pin 37 of ECM
connector E01.

Standard resistance

Multimeter connection 04
Standard value
pin
E10（1）- E01（37） ＜10 Ω

(f) Use a multimeter to measure the resistance
between the pin 1 of oil pressure switch
connector E10 and the ground.
Standard resistance

Multimeter connection
Standard value
pin

E10（1）- ground ＞ 10 MΩ

Is the inspection result normal?
YES>To step 3.

No > Maintain or replace the harness.

3 . Replace oil pressure switch
(a) Replace oil pressure switch.
(b) Use the diagnostic instrument to read the oil pressure data stream.

Is the inspection result normal?
YES >Replace oil pressure switch.

NO >To step 4.

4 . Replace ECM
(a) Replace ECM.
(b) Use a diagnostic apparatus to perform DTC verification procedures.
(c) Implement the steps to read sensor data stream.
(d) Verify that no DTC exists and the data are normal.

Page 299