Page 2636 - Foton Workshop Manual - Sauvana

62-584 DIAGNOSIS-ENGINE CONTROL SYSTEM

1. DTC Test

(a). Ignition switch: LOCK。
(b). Connect vehicle diagnostic device.
(c). Ignition switch: ON。
(d). Using the diagnostic tool reads the fault
code.
(e). Indentify whether it has the fault code
relating to the electronic accelerator pedal
position sensor.

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Is the inspection result normal?
YES>There is an intermittent fault.
No > To step 2.

2. Check the terminal and connector

(a). Many failures in electrical systems are caused by poor wiring harnesses
of connector and terminals, and may be caused by interference from other
electricalsystems, mechanical or chemical damage.
(b). Thoroughly inspect the connectors of loose, poorly connection, bent, corrosion,
contamination, deterioration or damage.
(c). Repair or replace as necessary, then inspect the vehicles.

Is the inspection result normal?
YES>To step 3。
No >Maintenance related faults.

3. Check the spark plug

(a). Disassemble the spark plug.
(b). Check whether the gap of the spark plug is normal or not.

Is the inspection result normal?
YES>To step 4。
No >Change the spark plug or modify the gap of spark plug.

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