Page 366 - Foton Workshop Manual - Tunland (AT)
P. 366
04-220 DIAGNOSTICS - ENGINE CONTROL SYSTEM
(d) Disconnect connector E01 of ECM.
(e) Use a multimeter to measure the resistance
between the pin 1, 2 of engine fuel pump
booster assembly connector E11 and the pin
32, 31 of ECM connector E01 respectively.
04 Standard resistance
Multimeter connection Standard value
pin
E11（1）- E01（32） ＜10 Ω
E11（2）- E01（31） ＜10 Ω
(f) Use a multimeter to measure the resistance
between the pin 1, 2 of engine fuel pump
booster assembly connector E11 and the
ground respectively.
Standard resistance
Multimeter connection
Standard value
pin
E11（1）- ground ＞ 10 MΩ
E11（2）- ground ＞ 10 MΩ
Is the inspection result normal?
YES>To step 7.
No > Maintain or replace the harness.
7 . Replace fuel pump booster assembly
(a) Replace fuel pump booster assembly.
(b) Use a diagnostic apparatus to perform DTC verification procedures.
(c) Implement the steps to read sensor data stream.
(d) Check whether DTC exists.
Is the inspection result normal?
YES>To step 8.
NO> Replace fuel pump booster assembly.
8 . Replace ECM
(a) Replace ECM.
(b) Use a diagnostic apparatus to perform DTC verification procedures.
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