Page 332 - Foton Workshop Manual - Tunland (AT)

04-186 DIAGNOSTICS - ENGINE CONTROL SYSTEM

(v) Use a multimeter to measure the resistance
between the pin 3 of main fan connector A012
and the ground.
Standard resistance

Multimeter connection
04 pin Standard value
A013（2）- ground ＜10 Ω

Is the inspection result normal?
YES>To step 6.
No > Maintain or replace the harness.

6 . Check the fan
(a) Ignition switch: OFF.
(b) Disconnect the battery negative cable.
(c) Disconnect the main fan connector A012 and the auxiliary fan connector A013.
(d) Check whether the fan is good or not.
Is the inspection result normal?

YES>To step 7.
NO>Replace the fan.

7 . 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.

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