Downloaded from www.Manualslib.com manuals search engine Operating Components Condition
•Related Operating Components
RELATED OPERATING COMPONENT
GEARSHIFT LEVER
POSITION GEAR
RATIO ENGINE
START PARKING
MECHANISM DRIVE
LOCK
2, 3, 4
GEAR
CLUTCH (E2) REVERSE
AND 1-3 GEAR
CLUTCH (E1) 4 GEAR
BRAKE (F1) REVERSE
GEAR
BRAKE (F2) 1, 2
GEAR
BRAKE (F3)
P Parking - Enabled - -- -
R Reverse
Gear -2.45 -
-- - -
N Neutral
Gear - Enabled -
- -- -
D Gear 1 2.75 -
-- --
Gear 2 1.5 - -----
Gear 3 1.000 - -- -- -
Gear 4 0.71 - --- --
Operating components
On Board Diagnostic Logic
• Self-diagnosis detection logic.
DTC NO. DTC DEFINITION DTC DETECTION
CONDITION DTC SET
CONDITION POSSIBLE CAUSE
P0730 Ratio of transaxle
error Vehicle is driving The Transaxle
Control Module
(TCM) detects that a
Gear Ratio Error is
already present. The
DTC is set if the
fault happened
within seconds of a
shift. •
Input shaft speed
sensor
• Output shaft speed
sensor
• The retainer of
deceleration clutch
• Transfer case
driven and drive gear
• 2, 3, 4 gear clutch
(E2)
• Reverse and1-3
gear clutch (E1)
• 4 gear brake (F1)
• Reverse gear
brake (F2)
• 1, 2 gear brake
(F3)
• Noise interference
DTC Confirmation Procedure:
Before performing the following procedure, confirm that battery voltage is more than 12 V.
• 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 the TCM.
• Start the engine and warm it to normal operating temperature.
• With the scan tool, 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 08 Transaxle & Transfer Case for more information).
DIAGNOSIS & TESTING
08
08–51Chery Automobile Co., Ltd.
Downloaded from www.Manualslib.com manuals search engine On Board Diagnostic Logic
•Self-diagnosis detection logic.
DTC NO. DTC DEFINITION DTC DETECTION
CONDITION DTC SET
CONDITION POSSIBLE CAUSE
U0001 CAN
Communication Error With the ignition
switch on The Transaxle
Control Module
(TCM) lost
communication over
the CAN-Bus circuit.
The circuit is
continuously
monitored. •
CAN Converter
• Harness or
connectors (The
sensor circuit is open
or shorted)
• ECM
• Transaxle Control
Module (TCM)
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.
• Start the engine and warm it to normal operating temperature.
• With the scan tool, 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 08 Transaxle & Transfer Case for more information).
NOTE :
• Ensure that the battery is fully charged.
• Before performing any DTC diagnostic procedures, verify the TCM power and ground circuits are properly con-
nected.
• Before performing the diagnostic procedure, repair all other TCM DTCs first.
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 12 Brakes).
• Inspect the ground connection C-201 mounting position (See Vehicle Wiring Harness Layout - Main Harness in
Section 16 Wiring).
Are the ground connections OK?
Ye s>>Go to the next step.
No
>>Repair or replace the ground connections.
DIAGNOSIS & TESTING
08
08–131Chery Automobile Co., Ltd.
Downloaded from www.Manualslib.com manuals search engine F4A4 AUTOMATIC TRANSAXLE
GENERAL INFORMATION08-144
Description 08-144
Operation 08-145
Specifications 08-147
Special Tools 08-148
Electrical Schematics 08-152
Transaxle Control Module (TCM)
Connector Pin-Out Table 08-157
DIAGNOSIS & TESTING08-158
Diagnostic Help 08-158
Diagnostic Tools 08-158
Diagnostic Trouble Code (DTC) List 08-159
F4A4 Automatic Transaxle DTC List 08-159
Diagnostic Trouble Code (DTC) Tests 08-160
15 - TFT Sensor Open Circuit 08-160
22 - Input Speed Sensor 08-163
23 - Output Speed Sensor Fault 08-168
26 - Brake Pedal Position Switch Circuit
Malfunction 08-17431 - Reverse/Low Solenoid Malfunction 08-177
32 - Low Speed Solenoid Malfunction 08-182
33 - 2nd Gear Solenoid Open Circuit 08-188
34 - Overdrive Solenoid Circuit
Malfunction
08-194
36 - Damper Clutch System Control
Solenoid Malfunction 08-200
41 - First Gear, Ratio Out Of Limits 08-206
42 - Second Gear, Ratio Out Of Limits 08-212
43 - Third Gear, Ratio Out Of Limits 08-218
44 - Fourth Gear, Ratio Out Of Limits 08-224
46 - Reverse Gear, Ratio Out Of Limits 08-230
54 - Electrical Relay Open Circuit 08-236
ON-VEHICLE SERVICE08-240
F4A4 Automatic Transaxle Assembly 08-240
Removal & Installation 08-240
Automatic Shifter Selector 08-243
Removal & Installation 08-243
08
08–143Chery Automobile Co., Ltd.
Downloaded from www.Manualslib.com manuals search engine GENERAL INFORMATION
Description
The transaxle gear train is comprised of two rows of planetary gear set, one one-way clutch and five actuators (three
composite disc clutches and two composite disc brakes.
It is controlled with adaptive electronic controls and monitors. The hydraulic system of the transaxle consists of the
transaxle fluid, fluid passages, hydraulic valves, fluid pump, and various line pressure control components.
The Transaxle Control Module (TCM) is the heart of the electronic control system and relies on information from
various direct and indirect inputs (sensors, switches, etc.) to determine driver demand and vehicle operating condi-
tions. With this information, the ECM/TCM can calculate and perform timely and quality shifts through various output
or control devices.
The TCM also performs certain self-diagnostic functions and provides comprehensive information (sensor data,
DTCs, etc.) which is helpful in proper diagnosis and repair. This information can be viewed with the X-431 scan tool.
1 - Low Speed Clutch
2 - Reverse Gear Clutch
3 - Overdrive Clutch4 - Gear 2 Brake
5 - Low/Reverse Gear Brake
6 - Output Shaft/Transfer Case Driven Gear
LTSM080158
08–144Chery Automobile Co., Ltd.
Downloaded from www.Manualslib.com manuals search engine Transaxle Control Module (TCM) Connector Pin-Out Table
TCM PIN-OUT TABLE
PINCIRCUIT IDENTIFICATION PINCIRCUIT IDENTIFICATION
1 Low Speed Electromagnetic Valve 33 -
2 Relay Supply 34Data Link Connector
3 Relay Supply 35-
4 To Instrument Cluster 36-
5 To Instrument Cluster 37-
6 -38 -
7 -39GND
8 -40TFT Sensor
9 -41 TPS
10 A/C Relay Control 42-
11 Ignition Supply 43-
12 GND 44-
13 GND 45To ECM
14 Damper Clutch Control Electromagnetic
Valve 46
To ECM
15 Low/Reverse Gear Electromagnetic Valve 47 Manual Gearshift Proof SwitchP
16 Gear Electromagnetic Valve 48Manual Gearshift Proof Switch N
17 To Instrument Cluster 49Shifter Selector-Motion Vehicle Mode
AUTO
18 To Instrument Cluster 50 Shifter Selector-Gearshift Switch UP
19 -51Brake Switch
20 -52 -
21 -53 -
22 -54Overdrive Electromagnetic Valve
23 Data Link Connector 55Data Link Connector
24 Ignition Supply 56-
25 GND 57-
26 GND 58Manual Gearshift Proof Switch R
27 Input Shaft Speed Sensor 59Manual Gearshift Proof Switch D
28 Output Shaft Speed Sensor 60 Shifter Selector-Gearshift Switch DOWN
29 Crankshaft Position Sensor 61To Instrument Cluster
30 -62 -
31 -63Main Auto TM Relay Control
32 -64GND
GENERAL INFORMATION
08
08–157Chery Automobile Co., Ltd.
Downloaded from www.Manualslib.com manuals search engine Diagnostic Trouble Code (DTC) List
F4A4 Automatic Transaxle DTC List
DTCDTC DEFINITION
11 TPS Short Circuit
12 TPS Open Circuit
14 TPS Abnormal Adjustment
15 TFT Sensor Open Circuit
21 CKP Sensor Malfunction
22 Input Speed Sensor
23 Output Speed Sensor Fault
26 Brake Pedal Position Switch Circuit Malfunction
29 Vehicle Speed Sensor Malfunction
31 Reverse/Low Solenoid Malfunction
32 UD Solenoid Open
33 2 Gear Solenoid Open Circuit
34 Overdrive Solenoid Circuit Malfunction
36 Damper Clutch System Control Solenoid Malfunction
41 First Gear, Ration Out Of Limits
42 Second Gear, Ration Out Of Limits
43 Third Gear, Ration Out Of Limits
44 Fourth Gear, Ration Out Of Limits
46 Reverse Gear, Ration Out Of Limits
51 CAN Data Bus Interface Malfunction
52 DCC Digital Command System Malfunction
54 Electrical Relay Open Circuit
56 Neutral Indicator Lamp Open Circuit
DIAGNOSIS & TESTING
08
08–159Chery Automobile Co., Ltd.
Downloaded from www.Manualslib.com manuals search engine On Board Diagnostic Logic
•Self-diagnosis detection logic.
DTC NO. DTC DEFINITION DTC DETECTION
CONDITION DTC SET
CONDITION POSSIBLE CAUSES
26 Brake pedal position
switch circuitmalfunction Vehicle is driving The brake switch is
on while vehicle is driving •
Brake switch
• Harness or
connectors (The
sensor circuit is open
or shorted)
• TCM
DTC Confirmation Procedure:
Before performing the following procedure, confirm that battery voltage is more than 12 V.
• Connect the X-431 scan tool to the Data Link Connector (DLC) - use the most current software available.
• After connection, press POWER key to start X-431.
• Turn ignition switch on, with the scan tool, view and erase stored DTCs in the TCM.
• Start engine then select Dposition.
• Drive the vehicle.
• With the scan tool, 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 08 Transaxle & Transfer Case 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 BRAKE PEDAL POSITION SWITCH SIGNAL
• With the scan tool, select view DTC and data stream for A/T.
• Start vehicle and read out the value of STOP LAMP SWITCH.
ITEM CONDITIONDISPLAY
VALUE
Stop lamp switch During driving OFF
Is the check result normal?
Ye s>>The condition that caused this DTC is intermittent (See Diagnostic Help in Section 08 Transaxle &
Transfer Case).
No
>>Go to the next step.
DIAGNOSIS & TESTING
08
08–175Chery Automobile Co., Ltd.
Downloaded from www.Manualslib.com manuals search engine 2.CHECK BRAKE SWITCH POWER SUPPLY
• Stop vehicle.
• Check sensor power supply between sensor terminal 3 and ground in the sensor electrical connector C-005.
BRAKE SWITCH
CONDITION VALUE (VOLT)
Depress brake switch
Battery voltage
Release brake switch 0
Is the check result normal?
Ye s>>Go to the next step.
No
>>Replace the brake switch.
3.DETECT MALFUNCTIONING PART
• Check the following:
Harness connectors A-102, E-105
Harness for a short between TCM and brake switch
Is the check result normal?
Ye s>>Go to the next step.
No
>>Repair or replace short to power in harness or connectors.
4.CHECK DTC
• With the X-431 scan tool, read TCM DTCs.
• Refer to DTC Confirmation Procedure.
Is DTC 26 still present?
Ye s>>Replace the TCM.
No
>>The system is now operating properly.
Reassemble the vehicle and road test to verify the customers complaint is repaired.
DIAGNOSIS & TESTING
08–176Chery Automobile Co., Ltd.