Chery Tiggo 5 (T21). Manual — part 284
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a. Use X-431 3G diagnostic tester to clear the DTC.
b. Start the engine.
c. Drive the vehicle at 15 km/h or more, read the ABS control module assembly DTC again with X-431 3G
diagnostic tester.
d. Check if the same DTC is output.
5
Reconfirm DTCs
System operates normally
NO
Replace ABS control module assembly
YES
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ON-VEHICLE SERVICE
ABS Bleeding
The bleeding procedures for brake system with X-431 3G diagnostic tester are as follows:
1. Make sure all brake lines are installed and tightened properly.
2. Check that battery voltage is normal.
3. Turn ignition switch to LOCK.
4. Connect X-431 3G diagnostic tester (the latest software) to Data Link Connector (DLC).
5. Turn ignition switch ON.
6. Using X-431 diagnostic tester, record and clear the DTCs stored in ABS control module assembly.
7. Using X-431 3G diagnostic tester, enter Brake Control System, select Repair Bleed Function, and then
perform operation according to the information and procedures displayed on the diagnostic tester.
HINT:
If the bleeder plug is open, never depress the brake pedal repeatedly. Doing so will increase the
amount of air in the system.
Do not drain brake fluid from the brake fluid reservoir while bleeding the system. Otherwise, low fluid
level in the brake reservoir will cause additional air to enter the brake system.
Always check the brake fluid level at all times to ensure that brake fluid level in the brake reservoir is
always close to the "MAX" level.
8. For X type brake circuit, the bleeding order is: rear left wheel, front left wheel, front right wheel, rear right
wheel.
9. After bleeding is completed, fill the brake reservoir with brake fluid to the "MAX" level .
10.Drive the vehicle to perform a road test, and confirm that the ABS system operates normally and brake
pedal feel is good.
WARNING
When bleeding the brake system, wear safety glasses. If brake fluid gets on your eyes or skin, wash off
with water completely.
DO NOT drop brake fluid onto the body paint, as brake fluid can corrode the body paint.
CAUTION
Brake fluid should meet the Chery specified type (DOT 4). DO NOT mix the brake fluid with other types
of brake fluid.
Brake fluid has strong water absorbability, be sure to place it in the original sealed container.
To prevent dust and other foreign matter from entering the reservoir, wipe it off before removing the
reservoir cap.
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ABS Control Module Assembly
Removal
1. Turn off all the electrical equipment and ignition switch.
2. Disconnect the negative battery cable.
3. Drain the brake fluid (
).
4. Remove the engine trim cover assembly.
5. Remove the ABS control module assembly.
a. Press the lock area of ABS control module assembly
connector, move the connector lock bracket upward
and disconnect the ABS control module assembly
connector (arrow).
b. Using a fixing wrench, carefully disconnect 6 brake
pipe coupling plugs (arrow).
(Tightening torque: 16 ± 2 N·m)
WARNING
When repairing ABS system, first release the pressure of high pressure brake fluid in the accumulator, to
prevent the high pressure brake fluid from spraying out and causing injury.
Operation procedures: turn ignition switch off first, and then depress and release brake pedal repeatedly
until brake pedal becomes hard.
In addition, never turn the ignition switch on before the ABS system is installed completely to prevent the
hydraulic pump from energizing and running.
CAUTION
Wash off brake fluid immediately if it comes in contact with any paint surface.
ENVIRONMENTAL PROTECTION
Drained brake fluid should be well kept in a container. Never discard it at will.
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c. Remove the coupling nut (arrow) between ABS
control module assembly mounting bracket and body.
(Tightening torque: 23 ± 2 N·m)
d. Remove 3 coupling bolts (arrow) between ABS control
module assembly mounting bracket and body.
(Tightening torque: 23 ± 2 N·m)
e. Remove the ABS control module with mounting bracket assembly.
Disassembly
1. Remove the ABS control module assembly.
a. Remove the coupling nuts (arrow) between the lower
part of ABS control module assembly and mounting
bracket.
(Tightening torque: 8 ± 2 N·m)
b. Detach the rubber shock pad (1) from the bottom of
ABS control module assembly.
c. Detach the ABS control module assembly (3) from the
mounting bracket (2).
CAUTION
When removing brake line, prevent foreign matter form entering the ABS control module assembly
thread holes.
After disconnecting brake line, sealing measure should be taken to prevent foreign matter form entering.
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