immobilizer CHERY TIGGO 2009 Service Owner's Guide

Downloaded from www.Manualslib.com manuals search engine 4.CHECK KNOCK SENSOR SIGNAL
• Check knock sensor (1) output signal as table
shown.
• Set the digital multimeter to the voltage range.
KNOCK SENSOR
TERMINAL NO. TEST METHOD
1&2Test Method 1: Knock at
cylinder with rubber hammer
Test Method 2: Knock at sensor slightly
• Output signal voltage should exist.
Is the check result normal?
Ye s>>Go to the next step.
No
>>Replace knock sensor.
5.CHECK DTC
• With the X-431 scan tool, read ECM DTCs.
• Refer to DTC Confirmation Procedure.
Is DTC P0324 still present?
Ye s>>Replace the ECM.
NOTE : The Immobilizer control module must be matched to the new ECM (See ECM Removal & Instal-
lation in Section 03 Electronic Engine Controls).
No
>>The system is now operating properly.
Reassemble the vehicle and road test to verify the customers complaint is repaired.
DIAGNOSIS & TESTING
BESM030018
03–180Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 11 .CHECK DTC
• With the X-431 scan tool, read ECM DTCs.
• Refer to DTC Confirmation Procedure.
Is DTC P0343 still present?
Ye s>>Replace the ECM.
NOTE : The Immobilizer control module must be matched to the new ECM (See ECM Removal & Instal-
lation in Section 03 Electronic Engine Controls).
No
>>The system is now operating properly.
Reassemble the vehicle and road test to verify the customers complaint is repaired.
DIAGNOSIS & TESTING
03–186Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 6.CHECK EVAP CANISTER CONTROL VALVE CONTROL CIRCUIT FOR AN OPEN
• Check voltage between EVAP canister control valve terminal 2 and ground.
• Approximately 3.6 V should exist.
Is the check result normal?
Ye s>>Go to the next step.
No
>>Repair or replace open circuit in harness or connectors.
If harness is normal, go to the next step.
7.CHECK EVAP CANISTER CONTROL VALVE
• Turn ignition switch off.
• Remove EVAP canister control valve.
• Check resistance as table shown.
EVAP CANISTER
CONTROL VALVE TERMINAL NO. RESISTANCE

(20°C)
1 & 2 Approximately 26 
• Check air passage continuity and operation when apply 12 V current supply voltage between terminal 1 and 2.
• The check results should match specification.
Is the check result normal?
Ye s>>Go to the next step.
No
>>Replace EVAP canister control valve.
8.CHECK DTC
• With the X-431 scan tool, read ECM DTCs.
• Refer to DTC Confirmation Procedure.
Is DTC P0444 still present?
Ye s>>Replace the ECM.
NOTE : The Immobilizer control module must be matched to the new ECM (See ECM Removal & Instal-
lation in Section 03 Electronic Engine Controls).
No
>>The system is now operating properly.
Reassemble the vehicle and road test to verify the customers complaint is repaired.
DIAGNOSIS & TESTING
03–190Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine Diagnostic Procedure
1.CHECK INTAKE AIR LEAK
• Start engine and let it idle.
• Listen for an intake air leak after the mass air flow sensor.
Is the check result normal?
Ye s>>Go to the next step.
No
>>Discover air leak location and repair.
2.CHECK THE ELECTRIC THROTTLE CONTROL ACTUATOR
• Check the electronic throttle open degree.
• Check the electronic throttle clearance.
Is the check result normal?
Ye s>>Go to the next step.
No
>>Clean or replace as necessary.
3.CHECK DTC
• With the X-431 scan tool, read ECM DTCs.
• Refer to DTC Confirmation Procedure.
Is DTC P0506 still present?
Ye s>>Replace the ECM.
NOTE : The Immobilizer control module must be matched to the new ECM (See ECM Removal & Instal-
lation in Section 03 Electronic Engine Controls).
No
>>The system is now operating properly.
Reassemble the vehicle and road test to verify the customers complaint is repaired.
DIAGNOSIS & TESTING
03–192Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine Diagnostic Procedure
1.CHECK DTC
• Perform DTC confirmation procedure.
Is DTC P0601, P0604, P0605 or P0606 present?
Ye s>>Go to the next step.
No
>>The DTC condition is intermittent (See Diagnostic Help in Section 03 Electronic Engine Controls).
2.CHECK ECM POWER SUPPLY AND GROUND
• Check if the ECM supply voltage circuit, ground circuit open, high resistance or short circuits existing.
Is the check result normal?
Ye s>>Go to the next step.
No
>>Repair circuit for an open or short in harness or connectors.
3.CHECK DTC
• With the X-431 scan tool, read ECM DTCs.
• Refer to DTC Confirmation Procedure.
Is DTC P0601, P0604, P0605 or P0606 still present?
Ye s>>Replace the ECM.
NOTE : The Immobilizer control module must be matched to the new ECM (See ECM Removal & Instal-
lation in Section 03 Electronic Engine Controls).
No
>>The system is now operating properly.
Reassemble the vehicle and road test to verify the customers complaint is repaired.
DIAGNOSIS & TESTING
03–194Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 4.CHECK DTC
• With the X-431 scan tool, read ECM DTCs.
• Refer to DTC Confirmation Procedure.
Is DTC P0602 still present?
Ye s>>Replace the ECM.
NOTE : The Immobilizer control module must be matched to the new ECM (See ECM Removal & Instal-
lation in Section 03 Electronic Engine Controls).
No
>>The system is now operating properly.
Reassemble the vehicle and road test to verify the customers complaint is repaired.
DIAGNOSIS & TESTING
03–196Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 4.CHECK DTC
• With the X-431 scan tool, read ECM DTCs.
• See DTC Confirmation Procedure.
Is DTC P0645 still present?
Ye s>>Replace the ECM.
NOTE : The Immobilizer control module must be matched to the new ECM (See ECM Removal & Instal-
lation in Section 03 Electronic Engine Controls).
No
>>The system is now operating properly.
Reassemble the vehicle and road test to verify the customers complaint is repaired.
DIAGNOSIS & TESTING
03
03–201Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 10.CHECK DTC
• With the X-431 scan tool, read ECM DTCs.
• See DTC Confirmation Procedure.
Is DTC P1545 still present?
Ye s>>Replace the ECM.
NOTE : The Immobilizer control module must be matched to the new ECM (See ECM Removal & Instal-
lation in Section 03 Electronic Engine Controls).
No
>>The system is now operating properly.
Reassemble the vehicle and road test to verify the customers complaint is repaired.
DIAGNOSIS & TESTING
03
03–209Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 10.CHECK APP SENSOR SIGNAL CIRCUIT FOR AN OPEN OR SHORT
• Check harness continuity between APP sensor 1 terminal 4 and ECM terminal 16, APP sensor 2 terminal 1 and
ECM terminal 40.
• Continuity should exist.
• Check harness for short to power and short to ground.
Is the check result normal?
Ye s>>Go to the next step.
No
>>Repair circuit for an open or short to power or short to ground in harness or connectors.
11 .CHECK APP SENSOR
• Connect all harness connectors disconnected.
• Turn ignition switch on.
• Check voltage between ECM terminals 16 (APP sensor 1) and ground, terminal 40 (APP sensor 2) and ground
under the following conditions:
TERMINAL NO. ITEM CONDITION D ATA
(DC VOLTAGE)
16 Accelerator Pedal
Position Sensor 1
(APPS1)
Ignition switch: ON•
Engine stopped
• Accelerator pedal:
Fully released 0.72 - 0.74 V
• Engine stopped
• Accelerator pedal:
Fully depressed 3.95 V
40 Accelerator Pedal
Position Sensor 2
(APPS2) •
Engine stopped
• Accelerator pedal:
Fully released 0.36 - 0.37 V
• Engine stopped
• Accelerator pedal:
Fully depressed 1.97 V
Is the check result normal?
Ye s>>Go to the next step.
No
>>Replace accelerator pedal assembly.
Perform Accelerator pedal position self-learning.
12.CHECK DTC
• With the X-431 scan tool, read ECM DTCs.
• Refer to DTC Confirmation Procedure.
Is DTC P2138 still present?
Ye s>>Replace the ECM.
NOTE : The Immobilizer control module must be matched to the new ECM (See ECM Removal & Instal-
lation in Section 03 Electronic Engine Controls).
No
>>The system is now operating properly.
Reassemble the vehicle and road test to verify the customers complaint is repaired.
DIAGNOSIS & TESTING
03–216Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 3. Disconnect the electronic throttle control actuatorconnector.
4. Remove two hoses on electronic throttle control actuator.
5. Remove four electronic throttle control actuator mounting bolts.
(Tighten: Electronic throttle control actuator bolts to
10 N·m)
6. Remove the throttle control actuator carefully.
7. Installation is in the reverse order of removal.
Engine Control Module (ECM)
Description
The Engine Control Module (ECM) for this model is serviced only as a complete unit.
Operation
The ECM is a pre-programmed, microprocessor-based digital computer. It regulates ignition timing, air-fuel ratio,
emission control devices, charging system, certain transmission features, speed control, air conditioning compressor
clutch engagement and idle speed. The ECM can adapt its programming to meet changing operating conditions.
Removal & Installation
1. Disconnect the negative battery cable.
2. Remove the glove box (See Instrument Panel Removal & Installation in Section 15 Body).
3. Disconnect the ECM electrical connector.
4. Remove the ECM retaining bolts (1). (Tighten: ECM retaining bolts to 10 N·m)
5. Remove the ECM.
6. Installation is in the reverse order of removal.
Installation Notes:
•
NOTE :
The Immobilizer control module must be matched to
the new ECM before the vehicle will start.
Matching Immobilizer Control Module to New
Engine Control Module (ECM)
Perform the following to match the Immobilizer control
module to the new ECM: With the X-431 scan tool, choose T11 series.
Choose immobilize.
Choose input code.
Input the safety code.
Click the small keyboard.
Click OK.
Choose Immobilizer adapt.
Choose read Immobilizer to ECM immedi-
ately.
Click OK.
ON-VEHICLE SERVICE
BESM030022
LTSM030025
03–226Chery Automobile Co., Ltd.