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Chery Tiggo. Manual - part 270

CHECK CAN-BUS LINE

• Connect the negative battery cable.

• Connect TCM and ECM connectors.

• Turn the ignition switch on.

• Check CAN-Bus voltage between the following terminals:

CAN-H

− 0.025 V should exist with bus communication inactive.
− 0.65 V should exist with bus communication active.

CAN-L

− 11 V should exist with bus communication inactive.
− 4.65 V should exist with bus communication active.

• Check CAN-Bus voltage between the following terminals:

CHECK CAN-BUS LINE VOLTAGE

DLC TERMINAL

GROUND

6 (CAN-H)

Ground

14 (CAN-L)

Is the check result normal and DTC U0001 not present?

Yes

Replace CAN converter.
The problem caused by CAN converter internal error.

Go to the next step.

CHECK CAN-BUS LINE

• Turn ignition switch off.

• Connect CAN converter.

• Disconnect ECM connectors.

• Turn ignition switch on.

• Check CAN-Bus voltage as the standard value.

Is the check result normal and DTC U0001 not present?

Yes

Replace and program ECM.
The problem caused by ECM internal error.

Go to the next step.

DIAGNOSIS & TESTING

CHECK THE TCM ELECTRICAL CONNECTOR

• Inspect the TCM electrical connector pins for proper fit or any chafed, pierced, pinched, or partially broken

wires.

• With the X-431 scan tool, read TCM DTCs.

Is the check result normal and DTC U0001 not present?

Yes

The system is now operating properly.
Reassemble the vehicle and road test to verify the customers complaint is repaired.

Replace the TCM.
The problem caused by TCM internal error.

DIAGNOSIS & TESTING

ON-VEHICLE SERVICE

DPO Automatic Transaxle Assembly

Removal & Installation

1. Raise and support the vehicle.

2. Remove the engine cover.

3. Remove the battery and battery tray (See Battery Removal & Installation in Section 05 Starting & Charging).

4. Remove the air cleaner and air duct assembly.

5. Drain the cooling system (See Cooling System Draining Procedure in Section 06 Cooling System).

6. Remove the base mounting (1) of the air cleaner

housing assembly.

7. Remove the transaxle ground cable.

8. Disconnect and remove the electrical connectors

for the following components:

• Vehicle speed sensor (2)

• Crankshaft position sensor

• Automatic transaxle assembly (3)

9. Disconnect the transaxle fluid coolant lines (4)

using a suitable tool.

10. Remove the shift cable (1) from the transaxle

assembly.

11. Raise the vehicle.

12. Remove the drain plug (2) with an inner square

socket wrench.

13. Remove the fluid limiting duct (1) with an 8 mm

inner hex socket wrench.

14. Drain the transaxle fluid.

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15. Remove the bolts attaching the transaxle cooling lines to the transaxle.

16. Remove the starter motor (See Starter Removal & Installation in Section 05 Starting & Charging).

17. Remove the bolts (1) attaching the drive plate to

the torque converter (three bolts total).
(Tighten: Drive plate bolts to 75 N·m)

18. Remove the engine to transaxle upper bolts.

(Tighten: Engine to transaxle upper bolts to 80 N·m)

19. Remove both front axle shafts (See Front Axle Shaft Removal & Installation in Section 09 Driveline & Axle).

20. Remove transaxle mount nuts (2) and the transaxle

mount bracket bolts (1).
(Tighten: Transaxle mount nut to 120 N·m)

21. Remove the engine undercover and splash shields.

22. Support the engine using an engine support fixture or suitable jack.

23. Remove the front sub-frame assembly (See Sub-Frame Assembly Removal & Installation in Section 10 Suspen-

sion).

24. Remove the engine to transaxle lower bolts.

(Tighten: Engine to transaxle lower bolts to 80 N·m)

25. Remove the bolts that mount the side sill to vehicle body.

(Tighten: Side sill to vehicle body bolts to 120 N·m)

ON-VEHICLE SERVICE

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