Chery A1 2009 User Manual

On Board Diagnostic Logic
• Self-diagnosis detection logic.
DTC NO. DTC DEFINITION
DTC DETECTION
CONDITION
DTC SET
CONDITION
POSSIBLE CAUSE
B3050
Relay external line
short circuit to
ground or open
circuit, relay external
line malfunction
Ignition switch: ON
The Immobilizer
control module
detects a short
ground condition on
the relay external
line for at least 3
seconds.
• Harness or
connectors
• Immobilizer control
module
B3053
Relay external line
short circuit to
battery
Ignition switch: ON
The Immobilizer
control module
detects a short to
battery condition on
the relay external
line.
• Harness or
connectors
• Immobilizer control
module
DTC Confirmation Procedure:
Before performing the following procedure, confirm that battery voltage is more than 12 V.
• Turn ignition switch off.
• Connect the X-431 scan tool to the Data Link Connector (DLC) - use the most current software available.
• Turn ignition switch on, with the scan tool, view and erase stored DTCs in Immobilizer control module.
• Try to start the engine.
• Turn ignition switch off, and wait a few seconds, then turn ignition switch on.
• With the scan tool, view active DTCs in the Immobilizer control module.
• If the DTC is detected, the condition is current. Go to Diagnostic Procedure - Step 1.
• If the DTC is not detected, the DTC condition is intermittent (See Diagnostic Help and Intermittent DTC Trou-
bleshooting in Section 15 Body & Accessories for more information).
NOTE :
While performing electrical diagnosis & testing, always refer to the electrical schematics for specific circuit
and component information.
Diagnostic Procedure
1.
CHECK GROUND CONNECTIONS
• Turn ignition switch off.
• Loosen and retighten ground screws on the body (See Ground Inspection in Section 15 Body & Accessories).
• Inspect ground connection C-202 mounting position (See Vehicle Wiring Harness Layout - Main Harness in
Section 16 Wiring).
Is the ground connection OK?
Yes
>> Go to the next step.
No
>> Repair or replace ground connection.
DIAGNOSIS & TESTING
15
15–133
Chery Automobile Co., Ltd.

Chery A1 2009 Specifications

General

Brand	Chery
Model	A1 2009
Category	Automobile
Language	English