Chery Tiggo T11 LHD. Manual — part 59

Chery T11 Service Manual Electric Injection System

49

Failure Code:

P0352-2

Open circuit of the ignition coil 2-3 cylinder drive circuit or

short circuit to earth

Set emergency control scheme:  Switch on the failure lamp till the failure disappears

 Stop the fuel injection for 1-4 cylinder

Connection terminal:

MT

20U

Ignition Coil

Normal Measurement Signal

System main power supply:

\

B

12V

1-4 cylinder drive:

32

C

0 to 12 V approx. square

wave signal

Induction peak value > 300 V

2-3 cylinder drive:

52

A

0 to 12 V approx. square

wave signal

Induction peak value > 300

V

Condition for Determination

Possible Reason

Actions

Failure duration > 1.25 s

1) Unreliable connection of

the connecting parts

2) Short

circuit

of

2-3

cylinder drive circuit to the

negative

electrode

of

system power supply

3) Open

circuit

of

2-3

cylinder drive circuit

4) Ignition coil damaged

5) ECM failure

1) Connect again

2) Repair harness

3) Repair harness

4) Replace ignition coil

5) Replace ECM

Chery T11 Service Manual Electric Injection System

50

T11 Canister Control Solenoid Valve

Failure Code:

P0443-

1

Short-circuit between the wire of canister control solenoid

valve and the positive of electrode power supply

Set emergency control scheme:  Switch on the failure lamp till the failure disappears

 Shut off the canister control solenoid valve

Connection terminal:

MT

20U

Canister Control

Solenoid Valve

Normal Measurement

Signal

System main power supply:

\

B

12V

Solenoid valve drive:

63

A

0 to 12 V square wave

signal

Condition for Determination

Possible Reason

Actions

Failure duration > 2 s

1) Short circuit of solenoid

valve drive circuit to the

positive electrode of power

supply

2) Solenoid valve damaged

3) ECM failure

1) Repair harness

2) Replace

solenoid

valvel

3) Replace ECM

Main Relay

Chery T11 Service Manual Electric Injection System

51

Failure Code:

P0443-2

Open circuit of the wire of canister control solenoid valve or

short circuit to earth

Set emergency control scheme:  Switch on the failure lamp till the failure disappears

 Shut off the canister control solenoid valve

Connection terminal:

MT

20U

Canister Control

Solenoid Valve

Normal Measurement

Signal

System main power supply:

\

B

12V

Solenoid valve drive:

63

A

0 to 12 V square wave

signal

Condition for Determination

Possible Reason

Actions

Failure duration > 5 s

1) Unreliable connection of the

connecting parts

2) Short circuit of solenoid

valve drive circuit to the

negative electrode of system

power supply

3) Open circuit of solenoid

valve drive circuit

4) Open circuit with system

main

power

supply

connection circuit

5) Solenoid valve damaged

6) ECM failure

1) Connect again

2) Repair harness

3) Repair harness

4) Repair harness

5) Replace

solenoid

valve

6) Replace ECM

Chery T11 Service Manual Electric Injection System

52

Failure Code: P0480-1

Short circuit of radiator low-speed fan relay drive

circuit to the positive electrode of power supply

Set emergency control scheme:  Switch on the failure lamp till the failure disappears

 NULL
 Fan doesn’t operate, till the water temperature increases

to 98℃ and then the high-speed fan activates

Connection terminal:

MT

20U

Low-speed Fan Relay

Normal

Measurement Signal

Battery:

\

Refer to Electrical

System Description

12V

Relay drive:

67

Refer to Electrical

System Description

0V (Operating) and

12V (Stop)

Condition for Determination

Possible Reason

Actions

Failure duration > 3 s

1) Short circuit of relay drive

circuit to the positive electrode

of power supply

2) Relay damaged

3) ECM failure

1) Repair harness

2) Replace relay

3) Replace ECM

Main Power Supply

Dual-speed Fan

High-speed Fan Relay

Low-speed Fan Relay