Page 312 - Foton Workshop Manual - Tunland (AT)
P. 312
04-166 DIAGNOSTICS - ENGINE CONTROL SYSTEM
(e) Use a multimeter to measure the resistance
between the pin 3, 4, 5 of electronic throttle
control actuator connector E17 and the pin
67, 91, 53 of ECM connector E01
respectively.
Standard resistance
04
Multimeter connection
Standard value
pin
E17(3)- E01(67) <10 Ω
E17(4)- E01(91) <10 Ω
E17(5)- E01(53) <10 Ω
(f) Use a multimeter to measure the voltage
between the pin 3, 4, 5 of electronic throttle
control actuator connector E17 and the
ground respectively.
Standard resistance
Multimeter connection
Standard value
pin
E17(3)- ground > 10 MΩ
E17(4)- ground > 10 MΩ
E17(5)- ground > 10 MΩ
Is the inspection result normal?
YES>To step 4.
No > Maintain or replace the harness.
4 . eplace electronic throttle control actuator
(a) Replace electronic throttle control actuator。
(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 electronic throttle control actuator.
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.
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