Chery Tiggo 5 (T21). Service manual — part 215

18–

49

18

DTC Confirmation Procedure:

Confirm that battery voltage is between 11 and 14 V before performing the following procedures.
 Turn ignition switch to LOCK.
 Connect X-431 3G diagnostic tester (the latest software) to Data Link Connector (DLC), and make it

communicate with vehicle electronic module by the data network.

 Turn ignition switch to ON.
 Using X-431 3G diagnostic tester to record and clear the DTCs stored in the TCU.
 Turn ignition switch to LOCK and wait for a few seconds.
 Turn ignition switch to ON, and then select "Read Code".
 If DTC is detected, the malfunction indicated by the DTC is current. Go to the diagnosis procedure - Step 1.
 If DTC is not detected, the malfunction indicated by the DTC is intermittent. Please refer to Intermittent

DTC Troubleshooting.

Diagnosis Procedure

HINT:
After the fault is eliminated, verify DTC and symptom again.

a. Turn ignition switch to LOCK.
b. Disconnect the turbine speed sensor connector.
c. Check if the turbine speed sensor connector is dirty, oxidized, loose or damaged.

DTC Code

DTC Definition

DTC Detection

Condition

Warning Light

Condition

Possible Cause

P0715

Input/Turbine Speed
Sensor Circuit

Start engine and keep
it at following status for
at least 10 seconds:
idle speed or
accelerator not more
than 10%, at P or N
gear, engine speed not
less than idle speed

Turbine speed
signal is higher
than standard
value within a
period

 Incorrect

installation of the
turbine speed
sensor

 Signal circuit open

or short circuit

 Turbine speed

sensor power
circuit poor contact

 Turbine speed

sensor failure

 TCU signal circuit

failure

P0716

Input/Turbine Speed
Sensor Circuit Range

Difference
between engine
speed and
turbine speed
exceeds
standard value
and keep for
900ms

1

Check wire harness connector

Repair fault

NG

OK

18–

50

18

a. Turn ignition switch to LOCK and disconnect the negative

battery cable.

b. Disconnect the wire harness connectors E-030 and E-049.
c. Check for continuity between the terminals 21, 22 and 55

of wire harness connector E-030 and terminals 3, 2 and 1
of connector E-049.

a. Turn ignition switch to LOCK and disconnect the negative

battery cable.

b. Disconnect the wire harness connector E-030.
c. Check for continuity between the terminals 21, 22 and 55

of wire harness connector E-030 and ground.

2

Check engine compartment wire harness

-

+

RT21180920

E-030

29 30 31 32 33 34 35 36 37 38 39 40 41 42

1 2 3 4 5 6 7 8 9 10 11 12 13 14

43 44 45 46 47 48 49 50 51 52 53 54 55 56

15 16 17 18 19 20 21 22 23 24 25 26 27 28

E-050

6

4

2

1

5

3

8

7

9

10

Replace engine compartment wire
harness

NG

3

Check if TCU wire harness connector E-030 and ground is conductive

OK

-

+

RT21180930

E-030

29 30 31 32 33 34 35 36 37 38 39 40 41 42

1 2 3 4 5 6 7 8 9 10 11 12 13 14

43 44 45 46 47 48 49 50 51 52 53 54 55 56

15 16 17 18 19 20 21 22 23 24 25 26 27 28

Repair or replace failed circuit

NG

OK

18–

51

18

a. Turn ignition switch to LOCK and disconnect the negative

battery cable.

b. Disconnect the wire harness connector E-030.
c. Check if the terminals 21, 22 and 55 of wire harness

connector E-030 are short to power.

a. Correctly install a new turbine speed sensor.
b. Check whether the system is normal.

a. Using X-431 3G diagnostic tester, select Read Code.
b. Check if DTC P0715 or P0716 still exists.

4

Check if TCU wire harness connector E-030 is short to power

RT21180940

-

+

V

E-030

29 30 31 32 33 34 35 36 37 38 39 40 41 42

1 2 3 4 5 6 7 8 9 10 11 12 13 14

43 44 45 46 47 48 49 50 51 52 53 54 55 56

15 16 17 18 19 20 21 22 23 24 25 26 27 28

Repair or replace failed circuit

NG

5

Check turbine speed sensor

OK

Diagnosis complete

NG

6

Check for DTC

OK

Replace TCU

NG

System is normal

OK

18–

52

18

DTC

P0720

Output Speed Sensor Circuit

DTC

P1745

Second Speed Sensor Plausible

ET21180100

TCU

29 30 31 32 33 34 35 36 37 38 39 40 41 42

1 2 3 4 5 6 7 8 9 10 11 12 13 14

43 44 45 46 47 48 49 50 51 52 53 54 55 56

15 16 17 18 19 20 21 22 23 24 25 26 27 28

SECONDARY SHAFT
SPEED SENSOR

54

50

19

O

Y

LW

1

2

3

E-030

B

E-030

B

E-079

E-079

1

2

3