fuse box CHERY TIGGO 2009 Service Owner's Manual

Downloaded from www.Manualslib.com manuals search engine 4.DETECT MALFUNCTIONING PART
• Check the following:
Harness connectors A-102, E-105
Front fuse and relay box H2, H5
Fuse 25, fuse 12, fuse 23, fuse 24
• Check harness for an open or short between O
2sensor and fuse.
• Repair or replace malfunctioning part.
• With the X-431, select view DTC.
Is DTC P0031 still present?
Ye s>>Go to the next step.
No
>>The system is normal now.
5.CHECK O2SENSOR HEATER CONTROL CIRCUIT FOR OPEN OR SHORT
• Turn ignition switch off.
• Disconnect ECM connector.
• Check harness continuity between ECM terminal and O
2sensor terminal.
COMPONENT ECMUPSTREAM O2SENSOR
TERMINAL •
48 (With EOBD)
• 1 (Without EOBD) 1
• Continuity should exist.
• Check harness for short to ground.
Is the check result normal?
Ye s>>Go to the next step.
No
>>Repair the circuit for an open or short in harness or connectors.
6.CHECK O2SENSOR HEATER
• Check resistance between O
2sensor heater terminals.
TERMINAL NO. RESISTANCE
1 and 2 (including cable
and connector) Approximately 9

DIAGNOSIS & TESTING
03
03–275Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 4.DETECT MALFUNCTIONING PART
• Check the following:
Harness connectors A-102, E-105
Front fuse and relay box H2, H5
Fuse 25, Fuse 12, Fuse 23, Fuse 24
• Check harness for open or short between O
2sensor and fuse.
• Repair or replace malfunctioning part.
• With the X-431, select view DTC.
Is DTC P0032 still present?
Ye s>>Go to the next step.
No
>>The system is now operating properly.
Reassemble the vehicle and road test to verify the customers complaint is repaired.
5.CHECK O2SENSOR HEATER CONTROL CIRCUIT FOR A SHORT
• Turn ignition switch off.
• Disconnect ECM connector.
• Check harness continuity between ECM terminal and O
2sensor terminal.
COMPONENT ECMUPSTREAM O2SENSOR
TERMINAL •
48 (With EOBD)
• 1 (Without EOBD) 1
• Continuity should exist.
• Check harness short to power supply circuit.
Is the check result normal?
Ye s>>Go to the next step.
No
>>Repair circuit for a short to power in harness or connectors.
6.CHECK THE O2SENSOR HEATER
• Check resistance between O
2sensor heater terminals.
TERMINAL NO. RESISTANCE
1 & 2 (including
cable and connector) Approximately 9

DIAGNOSIS & TESTING
03–280Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 6.CHECK INJECTOR POWER SUPPLY CIRCUIT FOR OPEN
• Turn ignition switch on.
• Check injector supply voltage between sensor ter-
minal and ground in the electrical connector.
• Battery voltage should exist.
Is the check result normal?
Ye s>>Go to step 8.
No
>>Go to the next step.
7.DETECT MALFUNCTIONING PART
• Check the following:
Harness connectors A-102, E-105
Front fuse and relay box F3
Fuse 12, fuse 23, fuse 24
Check harness for an open or short to ground between injector and fuse.
Is the check result normal?
Ye s>>With the X-431, check the system, If OK, go to the next step.
No
>>Repair or replace malfunctioning part.
8.CHECK INJECTOR CONTROL CIRCUITS FOR AN OPEN
• Check injector control circuit voltage.
• 3.6 V should exist.
Is the check result normal?
Ye s>>Go to step 10.
No
>>Go to the next step.
DIAGNOSIS & TESTING
LTSMD030024
03
03–349Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 6.CHECK INJECTOR POWER SUPPLY CIRCUIT FOR AN OPEN
• Turn ignition switch on.
• Check injector supply voltage between sensor ter-
minal and ground in the electrical connector.
• Battery voltage should exist.
Is the check result normal?
Ye s>>Go to step 8.
No
>>Go to the next step.
7.DETECT MALFUNCTIONING PART
• Check the following:
Harness connectors A-102, E-105
Front fuse and relay box F3
Fuse 12, fuse 23, fuse 24
Harness for shorted between injector and fuse
Is the check result normal?
Ye s>>Go to the next step.
No
>>Repair malfunctioning part.
8.CHECK INJECTOR CONTROL CIRCUITS FOR A SHORT
• Check injector control circuit voltage.
• 3.6 V should exist.
Is the check result normal?
Ye s>>Go to step 10.
No
>>Go to the next step.
DIAGNOSIS & TESTING
LTSMD030024
03
03–363Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 6.CHECK INJECTOR POWER SUPPLY CIRCUIT FOR SHORTED
• Turn ignition switch on.
• Check injector supply voltage between sensor ter-
minal and ground in the electrical connector.
• Battery voltage should exist.
Is the check result normal?
Ye s>>Go to step 8.
No
>>Go to the next step.
7.DETECT MALFUNCTIONING PART
• Check the following:
Harness connectors A-102, E-105
Front fuse and relay box F3
Fuse 12, fuse 23, fuse 24
Harness for an open or short between injector and fuse
Is the check result normal?
Ye s>>With the X-431, check the system, If OK, go to the next step.
No
>>Repair malfunctioning part.
8.CHECK INJECTOR CONTROL CIRCUITS FOR A SHORT
• Check injector control circuit voltage.
• 3.6 V should exist.
Is the check result normal?
Ye s>>Go to step 10.
No
>>Go to the next step.
9.DETECT MALFUNCTIONING PART
• Turn ignition switch off.
• Disconnect ECM harness connector.
• Check if the injector control circuits short to power supply circuits.
• Check the following.
• Voltage should not exist.
INJECTOR NO. POWER SUPPLY CIRCUIT INJECTOR TERMINAL
1
Power supply circuit 2
2 2
3 2
4 2
DIAGNOSIS & TESTING
LTSMD030024
03–370Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 2.CHECK THE CMP SENSOR ELECTRICAL CONNECTOR
• Disconnect the CMP sensor 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 THE CMP SENSOR POWER SUPPLY CIRCUIT FOR AN OPEN OR SHORT
• Turn ignition switch on.
• Check CMP sensor supply voltage between sensor
connector E-007, terminal 3 and ground in the sen-
sor electrical connector.
• 12 V should exist.
Is the check result normal?
Ye s>>Go to step 5.
No
>>Go to the next step.
4.DETECT MALFUNCTIONING PART
• Check the following:
Harness connectors A-102, E-105
Front fuse and relay box F3
Fuse 12, fuse 23, fuse 24
Harness for an 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 part.
DIAGNOSIS & TESTING
VISMD030001
LTSMD030044
03
03–385Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 5.DETECT MALFUNCTIONING PART
• Check the following:
Harness connectors A-102, E-105
Front fuse and relay box
Fuse 23, fuse 24, fuse 12
Harness between EVAP canister control valve and fuse
Is the check result normal?
Ye s>>Go to the next step.
No
>>Repair or replace malfunctioning part.
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 circuit for an open 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 between EVAP canister terminal 1 and 2 as shown in table.
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
>>Repair or replace EVAP canister control valve.
DIAGNOSIS & TESTING
03–392Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine Diagnostic Procedure
1.CHECK GROUND CONNECTIONS
• Turn ignition switch off.
• Loosen and retighten ground screws on the body (See Ground Inspection in Section 03 Electronic Engine Con-
trols).
• Inspect ground connections E-207 and E-208 mounting position (See Vehicle Wiring Harness Layout - Engine
Room Harness (With 2.0L Engine) in Section 16 Wiring).
Are the ground connections OK?
Ye s>>Go to the next step.
No
>>Repair or replace ground harness or connections.
2.CHECK AIR CONDITION CLUTCH RELAY CONTROL CIRCUIT POWER SUPPLY CIRCUIT FOR OPEN
• Turn ignition switch on.
• Turn A/C switch off.
• Check A/C clutch relay control circuit supply voltage
between ECM terminal 69 and ground in the ECM
electrical connector E-001.
• 12 V should exist.
Is the check result normal?
Ye s>>Go to step 4.
No
>>Go to the next step.
3.DETECT MALFUNCTIONING PART
• Check the following:
Fuse 12
A/C relay
Body fuse and relay box G5
Harness connectors C-103, E-103, B-104, C-104
Harness for open between ECM terminal 69 and fuse 12
Is the check result normal?
Ye s>>Go to the next step.
No
>>Repair or replace malfunctioning part.
DIAGNOSIS & TESTING
LTSMD030065
03
03–403Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 3.DETECT MALFUNCTIONING PART
• Check the following:
Fuse 17
Harness connectors C-103, E-103, terminal 1
Front fuse and relay box connector A
Harness open or short between ECM and fuse
Is the check result normal?
Ye s>>Go to the next step.
No
>>Repair or replace malfunctioning parts.
4.CHECK ECM POWER SUPPLY CIRCUIT - (2)
• Check voltage between ECM terminal 64 and ground.
• Battery voltage should exist.
Is the check result normal?
Ye s>>Go to the next step.
No
>>Check the following:
Harness connectors A-102, E-105, terminal 4
Front fuse and relay box connector A
Harness open or short between ECM and battery
5.CHECK GROUND CONNECTIONS
• Turn ignition switch off.
• Loosen and retighten ground screws on the body.
Is the check result normal?
Ye s>>Go to the next step.
No
>>Repair or replace ground connections.
6.CHECK ECM GROUND CIRCUIT FOR AN OPEN OR SHORT
• Disconnect ECM harness connector.
• Check harness continuity between ECM terminals 13, 26 and ground.
• Continuity should exist.
• Also check harness for short to power.
Is the check result normal?
Ye s>>Go to step 8.
No
>>Go to the next step.
7.DETECT MALFUNCTIONING PART
• Check harness for open or short between ECM terminals 13, 26 and ground.
• Repair open circuit or short to power in harness or connectors.
Is the check result normal?
Ye s>>Go to the next step.
No
>>Repair circuit for an open or short to power in harness or connectors.
DIAGNOSIS & TESTING
03–466Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 8.CHECK ECM POWER SUPPLY CIRCUIT - (3)
• Turn ignition switch on and then off.
• Check voltage between ECM terminals

12, 25 and ground.
• Voltage: Turn ignition switch on battery voltage will be exist and after turning ignition switch off, battery voltage
will exist a few seconds, then

drop to approximately 0 V.
Is the check result normal?
Ye s>>Check the starting system.
No
>>Go to the next step.
9.CHECK STARTER RELAY SUPPLY VOLTAGE
• Turn ignition switch off. Wait for at least 10 seconds.
• Check voltage between ECM terminal 34 and ground.
• Battery voltage should exist.
Is the check result normal?
Ye s>>Go to the next step.
No
>>Go to step 11.
10.CHECK ECM POWER SUPPLY CIRCUIT - (4)
• Disconnect ECM harness connector.
• Disconnect front fuse and relay box harness connector F.
• Check harness continuity between ECM terminals 12, 25 and front fuse and relay box terminal F3.
• Continuity should exist.
• Also check harness for short to ground and short to power.
Is the check result normal?
Ye s>>Go to step 12.
No
>>Repair circuit for an open or short in harness or connectors.
11 .CHECK STARTER RELAY CIRCUIT
• Disconnect ECM harness connector.
• Disconnect front fuse and relay box harness connector A, G.
• Check harness continuity between ECM terminal 34 and front fuse and relay box terminal A1.
• Check harness continuity between front fuse and relay box terminal A1 and G5,
• Check harness continuity between front fuse and relay box terminal A13 and G5,
• Continuity should exist.
• Also check harness for short to ground and short to power.
Is the check result normal?
Ye s>>Go to the next step.
No
>>Repair circuit for an open or short to ground or short to power in harness or connectors.
DIAGNOSIS & TESTING
03
03–467Chery Automobile Co., Ltd.