Page 145 - Foton Workshop Manual - Auman EST-M
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Diagnosis - Diagnosis-fault diagnosis of electronic and electrical parts DI - 91
NO> check and repair relevant failure. IN
3. Check the injector and circuit
a. Check the injector (refer to Chapter DI diagnosis- engine electronic control fault diagnosis–injector circuit DI
failure)
Check if the result is ok? EG
Yes>go to Step 4.
NO> check and repair relevant failure or replace the injector or harness. TR
4. Check the crankshaft/cam shaft position sensor and relevant circuit
a. Check the crankshaft position sensor (refer to Chapter DI diagnosis- engine electronic control fault AX
diagnosis–crank position sensor failure)
b. Check the camshaft position sensor (refer to Chapter DI diagnosis- engine electronic control fault
FR
diagnosis–camshaft position sensor failure)
Check if the result is ok?
ST
Yes>go to Step 5.
NO> check and repair relevant failure or replace the failed sensor or harness.
BR
5. Check the coolant temperature sensor and circuit
a. Check the coolant temperature sensor. (refer to Chapter DI diagnosis- engine electronic control fault
BW
diagnosis–coolant manifold temperature sensor failure)
Check if the result is ok?
EL
Yes>go to Step 6.
NO> check and repair relevant failure or replace the failed sensor or harness.
6. Replace and check ECM
a. Replace ECM.
b. Check if the failure is eliminated.
DI-091
