Page 872 - Workshop Manual - Tunland (2017)

04-186 DIAGNOSTICS - ENGINE CONTROL SYSTEM

04 (f) Use a multimeter to measure the resistance
between the pin 4 of DPF temperature sensor
connector Q01 and the ground.
标准电压

Multimeter connection
Standard value
pin

Q01（4）- ground Battery voltage

Is the inspection result normal?
YES>To step 4.
No > Maintain or replace the harness.

4 . Check DPF temperature sensor harness
(a) Ignition switch: OFF.
(b) Disconnect the battery negative cable.
(c) Disconnect DPF temperature sensor connector Q01.
(d) Disconnect connector E01 of ECM.

(e) Use a multimeter to measure the resistance
between the pin1 of DPF temperature sensor
connector Q01 and the ground.
Standard resistance

Multimeter connection
Standard value
pin
Q01（1）- ground ＜10 Ω

Is the inspection result normal?

YES>To step 5.
No > Maintain or replace the harness.

5 . 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.