Geely EC718, EC718RV, EC715, EC715RV. Manual part — 224

2.14

Auxiliary

Emission

Control

JL4G15-D

2.14.1 4G15-D auxiliary emission control
devices, an overview

Compared with 4G18-D, 4G15-D engine auxiliary emission
control devices has the same content in Specification,
Description and Operation, the System Working Principle,
Component Locator, Schematic, Removal and Installation. For
specific information, please refer to

2.3

Fuel System JL4G18-

D

. This chapter described contents are different from 4G18-D.

For relevant information. Refer to the following content.

Engine

Auxiliary Emission Control JL4G15-D

2-811

2.14.1 Component Locator
2.14.1.1 Component Locator

1

FE02-8047b

Legend

1. Canister Solenoid Valve

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Auxiliary Emission Control JL4G15-D

Engine

2.14.2 Diagnostic Information and Procedures
2.14.2.1 Canister Solenoid Valve Inoperative

Schematic:

12

A

B

From Battery

Main Relay

Evaporative Canister Solenoid

Engine

Control

Module

FE02-5221b

Diagnostic Steps:

Step 1

Check engine emission warning lamp malfunction.

(a)

Start the engine.

Check whether engine emissions malfunction warning lamp is lit?

No

Go to step 3

Yes

Step 2

Repair engine control system malfunction.

(a)

Repair engine emissions malfunction warning lamp
malfunction. Refer to

2.12.7.14

DTC Code Index

Is Canister solenoid valve working properly?

Yes

System normal

Engine

Auxiliary Emission Control JL4G15-D

2-813

No

Step 3

Check Canister solenoid valve power supply circuit.

FE02-5227b

A

B

Evaporative Canister Solenoid Harness
Connector EO24

(a)

Turn on the ignition switch.

(b)

Measure Canister solenoid valve EO24 terminal A voltage
with a multimeter.

Standard Voltage: 11-14 V

Is the voltage Standard Value?

Yes

Go to step 5

No

Step 4

Repair the main relay.

(a)

Turn off the ignition switch.

(b)

Repair the main relay circuit. Refer to

2.12.7.49

DTC P0685

Is Canister solenoid valve working properly?

Yes

System normal

No

Step 5

Check Canister solenoid valve wiring harness connector and ECM harness connector circuit.

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Auxiliary Emission Control JL4G15-D

Engine