ignition CHERY TIGGO 2009 Service Repair Manual

Downloaded from www.Manualslib.com manuals search engine 5.CHECK CKP SENSOR GROUND CIRCUIT FOR OPEN OR SHORT TO POWER
• Turn ignition switch off.
• Check harness continuity between following terminals.
CKP
SENSOR
TERMINAL TERMINAL CONTINUITY
1
Ground Yes
• Continuity should exist.
• Also check harness for short to power.
Is the check result normal?
Ye s>>Go to step 7.
No
>>Go to the next step.
6.DETECT MALFUNCTIONING PART
• Check harness for an open or short between CKP sensor and ground.
Is the check result normal?
Ye s>>Go to the next step.
No
>>Repair or replace harness or connectors.
7.CHECK CKP SENSOR REFERENCE VOLTAGE
• Turn ignition switch on.
• Check voltage between CKP sensor terminal 2 and ground.
• 4.8 - 5.2 V should exist.
Is the check result normal?
Ye s>>Go to step 9.
No
>>Go to the next step.
DIAGNOSIS & TESTING
03
03–501Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 8.CHECK CKP SENSOR INPUT SIGNAL CIRCUIT FOR AN OPEN OR SHORT
• Turn ignition switch off.
• Disconnect ECM connector.
• Check harness continuity between ECM terminal 73 and CKP sensor terminal 2.
• Continuity should exist.
• Also check harness for short to power and short to ground.
Is the check result normal?
Ye s>>Replace the ECM.
No
>>Repair circuit for an open or short circuit in harness or connectors.
9.CHECK CKP SENSOR SIGNAL
• Turn ignition switch off.
• Connect ECM connector.
• Connect CKP sensor connector.
• Check sensor signal output.
TERMINAL NO. ITEMCONDITIONDATA (DC VOLTAGE)
73 Crankshaft Position (CKP)
sensor •
Ignition switch: ON
• Engine: Not cranking 4.8 - 5.2 V
• Engine: Cranking 0.4 - 4.0 V
• Engine: Idle 1.5 - 2.5 V
Is the check result normal?
Ye s>>Go to step 12.
No
>>Go to the next step.
10.CHECK CKP SENSOR
• Check resistance as table shown:
Remove the sensor.
Visually check the sensor for chipping.
Continuity should exist.
TERMINAL NO. RESISTANCE(25°C)
1&2 Except 0 or
1&3
2&3
Is the check result normal?
Ye s>>Replace the CKP sensor with a known good CKP sensor.
Monitor the CKP sensor signal on the KES-200 screen.
If the CKP sensor signals were normal, the system is OK.
If the CKP sensor signals were still irregular or missing, go to step 11.
No
>>Replace CKP sensor.
DIAGNOSIS & TESTING
03–502Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine Check reference values between ECM terminals and ground under the following conditions:
ECM TERMINAL NO.ITEMCONDITIONDATA (DC VOLTAGE)
72 Camshaft Position (CMP)
sensor •
Ignition switch: ON
• Engine: Not cranking 4.8 - 5.2 V
• Engine: Cranking 0.4 - 3.0 V
• Engine: Idle 0.5 - 2.0 V
On Board Diagnostic Logic
• Self-diagnosis detection logic.
DTC NO. DTC DEFINITION DTC DETECTION
CONDITION DTC SET
CONDITION POSSIBLE CAUSE
23 CMP sensor Crank engine Signal output is no
variance for 4
seconds
continuously (no
pulse signal).•
CMP sensor
• Harness or
connectors
• ECM
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, record and erase stored DTCs in the ECM.
• Start engine and warm it to normal operating temperature, then select view DTC and data stream.
• If the DTC is detected, the DTC 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 03 Electronic Engine Controls 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 CONNECTION
• Turn ignition switch off.
• Loosen and retighten ground screws on the body (See Ground Inspection in Section 03 Electronic Engine Con-
trols).
• Inspect the ground connection E-208 (See Vehicle Wiring Harness Layout - Engine Room Harness (With Mit-
subishi 2.4L Engine) in Section 16 Wiring).
Is the ground connections OK?
Ye s>>Go to the next step.
No
>>Repair or replace ground connection.
DIAGNOSIS & TESTING
03
03–505Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 2.CHECK CAMSHAFT POSITION (CMP) SENSOR ELECTRICAL CONNECTOR
• Disconnect the CMP electrical connector (1).
• Inspect the electrical connector for damage.
Is the electrical connector OK?
Ye s>>Go to the next step.
No
>>Repair or replace the electrical connector
as necessary.
3.CHECK CAMSHAFT POSITION (CMP) SENSOR POWER SUPPLY CIRCUIT FOR AN OPEN OR SHORT
• Turn ignition switch on.
• Check supply voltage between CMP sensor con-
nector E-056, terminal 3 and ground in the sensor
electrical connector E-056.
• Battery voltage should exist.
Is the check result normal?
Ye s>>Go to step 5.
No
>>Go to the next step.
DIAGNOSIS & TESTING
LTSMD030080
LTSMD030014
03–506Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 4.DETECT MALFUNCTIONING PART
• Check the following:
Fuse 22, Fuse 12
Front fuse and relay box H3
Harness connectors A-102, E-105
Harness open or short between CMP sensor and fuse
Is the check result normal?
Ye s>>Go to the next step.
No
>>Repair or replace malfunctioning parts.
5.CHECK THE CMP SENSOR GROUND CIRCUIT FOR AN OPEN
• Turn ignition switch off.
• Check harness continuity between following terminals.
CKP
SENSOR
TERMINAL TERMINAL CONTINUITY
1
Ground Yes
• Continuity should exist.
Is the check result normal?
Ye s>>Go to step 7.
No
>>Go to the next step.
6.DETECT MALFUNCTIONING PART
• Check harness for open or short between CMP sensor and ground.
Is the check result normal?
Ye s>>Go to the next step.
No
>>Repair or replace the circuit for an open or short in harness or connectors.
DIAGNOSIS & TESTING
03
03–507Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 7.CHECK CMP SENSOR INPUT SIGNAL CIRCUIT FOR AN OPEN OR SHORT
• Turn ignition switch on.
• Check voltage between CMP sensor terminal 2 and ground.
• 4.8 - 5.2 V should exist.
Is the check result normal?
Ye s>>Go to the next step.
No
>>Repair or replace harness for open or short to power or short to ground between CMP sensor connec-
tor terminal 2 and ECM connector E-054, terminal 72.
If the harness is normal, go to the next step.
8.CHECK CMP SENSOR SIGNAL
• Connect ECM connector.
• Connect CMP sensor connector.
• Check signal voltage between CMP sensor terminal 2 and ground.
TERMINAL NO. ITEMCONDITIONDATA (DC VOLTAGE)
72 Camshaft Position (CMP)
sensor •
Ignition switch: ON
• Engine: Not cranking 4.8 - 5.2 V
• Engine: Cranking 0.4 - 3.0 V
• Engine: Idle 0.5 - 2.0 V
Is the check result normal?
Ye s>>Go to step 11.
No
>>Go to the next step.
9.CHECK CMP SENSOR
• Check resistance as table shown.
Remove the sensor.
Visually check the sensor for chipping.
Continuity should exist.
TERMINAL NO. RESISTANCE(25°C)
1&2 Except 0 or
1&3
2&3
Is the check result normal?
Ye s>>Replace the CMP sensor with a known good CMP sensor.
Monitor the CMP sensor signal on the KES-200 screen.
If the CMP sensor signals were normal, the system is OK.
If the CMP sensor signals were still irregular or missing, go to step 10.
No
>>Replace the CMP sensor.
DIAGNOSIS & TESTING
03–508Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine Check reference values between ECM terminals and ground under the following conditions:
ECM TERMINALNO. ITEM
CONDITION DATA VOLTAGE
65 Regulated sensor
supply
Ignition switch: ON -
4.8 - 5.2 V
69 Atmosphere
pressure sensor Sea level altitude: 0
M 3.7 - 4.3 V (101 kPa)
Sea level altitude: 600 M 95 kPa
Sea level altitude: 1200 M 3.2 - 3.8 V (88 kPa)
Sea level altitude: 1800 M 81 kPa
76 Sensor (GND) Ignition switch: ON 0 V
On Board Diagnostic Logic
• Self-diagnosis detection logic.
DTC NO. DTC DEFINITION DTC DETECTION
CONDITION DTC SET
CONDITION POSSIBLE CAUSE
25 Atmosphere
pressure sensor •
Ignition switch ON
position for 60
seconds
• Engine: Running •
Signal output is
over 4.6 V for 4 seconds
continuously
(amount to 114 kPa atmospherepressure).
• Signal output is
below 0.2 V for 4 seconds
continuously
(amount to 5.33 kPa atmospherepressure). •
Atmosphere
pressure sensor
• Harness or
connectors
• ECM
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, record and erase stored DTCs in the ECM.
• Start engine and warm it to normal operating temperature, then select view DTC and data stream.
• If the DTC is detected, the DTC 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 03 Electronic Engine Controls for more information.
NOTE :
Before performing the following procedure, make sure that the ECM ground connection is in good condition.
NOTE :
While performing electrical diagnosis & testing, always refer to the electrical schematics for specific circuit
and component information.
DIAGNOSIS & TESTING
03
03–511Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine Diagnostic Procedure
1.CHECK ATMOSPHERE PRESSURE SENSOR ELECTRICAL CONNECTOR
• Turn ignition switch off.
• Disconnect the atmosphere pressure sensor (atmo-
sphere pressure sensor is built-into) electrical con-
nector (1).
• Inspect the electrical connector for damage.
Is the electrical connector OK?
Ye s>>Go to the next step.
No
>>Repair or replace the electrical connector
as necessary.
2.CHECK ATMOSPHERE PRESSURE SENSOR POWER SUPPLY CIRCUIT
• Turn ignition switch on.
• Check supply voltage between atmosphere pres-
sure sensor connector E-058, terminal 1 and
ground in the atmosphere pressure sensor electrical
connector E-058.
• 4.8 - 5.2 V should exist.
Is the check result normal?
Ye s>>Go to the next step.
No
>>Repair circuit for an open or short in har-
ness or connectors.
If circuit is normal, go to the next step.
3.CHECK ATMOSPHERE PRESSURE SENSOR GROUND CIRCUIT FOR AN OPEN OR SHORT
• Turn ignition switch off.
• Disconnect ECM harness connector.
• Check harness continuity between following terminals.
ATMOSPHERE
PRESSURE SENSOR
TERMINAL ECM TERMINAL
57
6
DIAGNOSIS & TESTING
LTSMD030078
LTSMD030016
03–512Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine •Continuity should exist.
• Also check harness for short to power and short to ground.
Is the check result normal?
Ye s>>Go to the next step.
No
>>Repair or replace circuit for an open or short to power or short to ground in harness or connectors.
4.CHECK ATMOSPHERE PRESSURE SENSOR SIGNAL CIRCUIT
• Check harness continuity between ECM terminal 69 and atmosphere pressure sensor terminal 2.
• Continuity should exist.
• Also check harness for short to power and short to ground.
Is the check result normal?
Ye s>>Go to the next step.
No
>>Repair or replace harness or connectors.
5.CHECK ATMOSPHERE PRESSURE SENSOR
• Connect ECM connector.
• Connect atmosphere pressure sensor connector.
• With the X-431, select view data stream.
• Check sensor signal output.
TERMINAL NO. ITEM CONDITION DATA (DC
VOLTAGE)
65 Regulated sensor
supply
Ignition switch: ON -
4.8 - 5.2 V
69 Atmosphere
pressure sensor •
Sea level altitude:
0M 3.7 - 4.3 V
(101 kPa)
• Sea level altitude:
600 M 95 kPa
• Sea level altitude:
1200 M 3.2 - 3.8 V
(88 kPa)
• Sea level altitude:
1800 M 81 kPa
76 Sensor (GND) Ignition switch: ON 0 V
Is the check result normal?
Ye s>>Go to the next step.
No
>>Replace atmosphere pressure sensor.
DIAGNOSIS & TESTING
LTSMD030070
03
03–513Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine Check reference values between ECM terminals and ground under the following conditions:
ECM TERMINAL NO.ITEMTEST METHOD DATA (DC VOLTAGE)
62 Knock sensor•
Test Method 1: Knock at
cylinder with rubber
hammer
• Test Method 2: Knock at
sensor slightly Output signal voltage
should exist.
On Board Diagnostic Logic
• Self-diagnosis detection logic.
DTC NO. DTC DEFINITION DTC DETECTION
CONDITION POSSIBLE CAUSE
31 Knock sensorAn excessive voltage from
the sensor is sent to ECM. •
Knock sensor
• Harness or connectors
• ECM
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, record and erase stored DTCs in the ECM.
• Run engine for a while then select view DTC.
• If DTC is detected, go to Diagnostic Procedure - Step 1.
• If the DTC is not detected, the DTC condition is intermittent (See Diagnosis & Testing Diagnostic Help in Sec-
tion 03 Electronic Engine Controls).
NOTE :
Before performing the following procedure, make sure that the ECM ground connection is in good condition.
NOTE :
While performing electrical diagnosis & testing, always refer to the electrical schematics for specific circuit
and component information.
Diagnostic Procedure
1.CHECK GROUND CONNECTION
• Turn ignition switch off.
• Loosen and retighten ground screws on the body (See Ground Inspection in Section 03 Electronic Engine Con-
trols).
• Inspect the ground connection E-208 (See Vehicle Wiring Harness Layout - Engine Room Harness (With Mit-
subishi 2.4L Engine) in Section 16 Wiring).
Is the ground connections OK?
Ye s>>Go to the next step.
No
>>Repair or replace ground connection.
DIAGNOSIS & TESTING
03–516Chery Automobile Co., Ltd.