Chery QQ6 Service Manual download pdf (Page 46)

11.10 Failure in Driver Stage of 1#, 2# Coils of Step Motor

Failure codes: P1682, 1683

No. Operating steps Result Follow up steps

1 Turn on the ignition switch but do not start the

engine.

Next step

Yes Next step 2 Pull out connector of the electronic throttle, and

then check if the resistance value between 5# and

3# pins of the connector is around 6.1Ω.

No Replace the

electronic throttle

body

Yes

Next step 3 Pull out the connector, and then use a multimeter

to check if a 12V alternate voltage is present

between 5# and 3# connectors of the electronic

throttle.

No Check the circuit

Yes Replace the idle

speed actuator

4 Use a multimeter to check if a 12V voltage is

present between the connector of the harness and

ground when the key is ON.

No Next step

Yes Repair or replace

the harness

5 Between ECU and harness, use a multimeter

respectively to check if it is break or short circuit

between 67#, 65# pins of ECU and 5# pin of the

connector and between 66#, 64# pins of ECU and

3# pin of the connector.

No Replace ECU

Note: Much about failure diagnosis for other parts has been involved above.

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Chery QQ6 Service Manual Page 46