Page 452 - Foton Workshop Manual - Tunland (AT)
P. 452
04-306 DIAGNOSTICS - ENGINE CONTROL SYSTEM
(f) Use a multimeter to measure the resistance
between the pin 2, 3 of the DPF temperature
sensor connector Q01 and the pin 15, 16 of
ECM connector E01 respectively.
Standard resistance
04 Multimeter connection
Standard value
pin
Q01（2）- E01（15） ＜10 Ω
Q01（3）- E01（16） ＜10 Ω
(g) Use a multimeter to measure the resistance
between the pin 2, 3 of DPF temperature
sensor connector Q01 and the ground.
Standard resistance
Multimeter connection
Standard value
pin
Q01（2）- ground ＞10 MΩ
Q01（3）- ground ＞10 MΩ
Is the inspection result normal?
YES>To step 4.
No > Maintain or replace the harness.
4 . Replace DPF temperature sensor
(a) Replace DPF temperature sensor.
(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>Replace DPF temperature sensor
NO >To step 5.
5 . Replace ECM
(a) Replace ECM.
(b) Use a diagnostic apparatus to perform DTC verification procedures.
(c) Implement the steps to read sensor data stream.
Page 452
