Chery Tiggo T11 LHD. Manual — part 30

T11 Service Manual Chassis System

2.8.4 Battery Malfunction C1 101 and C1 102.

Within 9.4~17V or not?

Remove the connecting piece at harness side, then

turn the ignition switch to the position of ON, and

measure the voltage between pin4 (+), pin 8(-), pin4

(+) and pin 24(-).

Measure the voltage of +

and - of battery

Replace HECU

Inspect the mounting status of pin4, 8 and

24 of connecting piece at harness side as

well as the pin displacement.

Is the status all right?

Measure the resistance between

pin4 (+) of the connecting piece

at harness side and battery (+).

Inspect and replace battery

①No

Yes

Yes

No

No

Yes

Adjust

connecting

piece

pin

and

correctly mount the

connecting piece.

Is the status all right?

Confirm and inspect the

grounding condition of pin8

(-)

and

pin24

(-)

of

connecting piece at harness

side.

Start the engine, and measure the

voltage between pin4 (+), 8(-),

4(+) and 24(-).

Recheck

from

item

①

Yes

Yes

It is less than 9.4V?

No

It is less than

1Ω?

Is it more than 17V?

Replace AC generator

Yes

Adjust and ensure

the installation is all

right

In

sp

ec

t

an

d

re

p

lac
e

wirin

g

No

T11 Service Manual Chassis System

2.8.5 Solenoid Valve Fuse or Solenoid Valve Relay Malfunction C2 112.

No

It is electrified or not?

After removing the connecting

pieces at harness side, confirm if

the pin25 at the harness side is

electrified to ground wire or not.

Confirm if it is electrified

between

the

pin25

at

harness

side

and

the

terminals inside fuse box.

Inspect and replace the wiring of

pin25 at harness side.

Replace fuse

Inspect the fuse (30A) inside

fuse box

The fuse is normal or not?

No

Yes

Yes

No

No

Yes

Is the status all

right?

Replace HECU

Inspect the mounting status of

pin25 of connecting piece at

harness side and its offsetting

condition.

Adjust

connecting

piece pin and correctly

mount the connecting

piece.

Recheck from item

①

Yes

No

It is electrified or not?

Inspect

and

replace the wiring

of

pin25

at

harness side.

Yes

Use analyzer to drive

HECU by force

Is it all right?

T11 Service Manual Chassis System

2.8.6 Motor Fuse or Motor Malfunction C2 402.

①

It is electrified or not?

After removing the connecting

pieces at harness side, confirm if

it is electrified between pin9 at

harness side and ground wire or

not.

Confirm if the pin9 at

harness side is electrified

with fuse terminal inside

the box or not.

Inspect and replace the wiring of

pin9 at harness side.

Replace fuse

Confirm if the motor fuse is

burnt out or not.

The fuse is normal or not?

No

Yes

Yes

No

No

Yes

Is the status all

right?

Replace HECU

Inspect the mounting status of pin9

of connecting piece at harness side

and its offsetting condition.

Adjust

connecting

piece pin and correctly

mount the connecting

piece.

Recheck from item

①

Yes

No

It is electrified or not?

Inspect

and

replace the wiring

of pin9 at harness

side.

Yes

Use analyzer to drive

HECU by force

Is it all right?

No

T11 Service Manual Chassis System

2.8.7 ECU Internal Circuit or Valve Coil Malfunction C1 604

No

Remove the connecting piece of

harness, and measure the resistance

between the No.8 and 24 pin and

ground wire.

It is less than 1Ω or not?

Confirm

and

inspect

the

grounding status of No. 8 and

No. 24 pin.

Replace HECU

Yes