Geely Diagnosis Flow. Manual part — 34

133

No.071 Malfunction code: P0108 "voltage of intake pressure sensor

circuit too high"

Serial

No.

Operation steps

Results

Follow-ups

1

Switch on diagnosis instrument and commutator, and place ignition switch to “ON”.

Next step

Yes

To step 5

2

Observe “inlet pressure” of data flow, and check value is around 101kpa (specific
value related to the air pressure at that time).

No Next

step

Yes

To step 5

3

Take out the connector of intake pressure sensor of the harness, and check voltage
between 3# and 1# pins of this connector is around 5V with multimeter.

No Next

step

Yes

Repair or
replace harness

4

Check lines respectively between 17#, 33#, 37# pins of ECU and 1#, 3#, 4# pins of
sensor connector are opened or shorted to power source.

No Next

step

Yes Diagnosis

help

5

Start the engine and make it operate at idling speed. Step the throttle slowly to be
close to full opening, and observe changes of value of “inlet pressure” on the
diagnosis instrument, and values shall not be largely changed at this time; step the
throttle quickly to be close to full opening, and value shall reach above 90kpa
immediately at this time.

No

Replace sensor

No.072 Malfunction code: P0112 "temperature indicated by intake

temperature sensor too low"

Serial No. Operation steps

Results

Follow-ups

1

Switch on diagnosis instrument and commutator, and place ignition switch
to “ON”.

Next

step

Yes

To step 5

2

Observe “intake temperature” of data flow, and check it is equal to
temperature within air inlet pipe (specific value related to engine
temperature at that time). Note: if value is -40 at this point, then

℃

disconnection malfunction may occur to lines.

No Next

step

Yes Next

step

3

Take out connector of intake temperature sensor of the harness, and check
resistance between 1# and 2# pins of sensor is suitable to its temperature
with multimeter (for details, refer to related parts of this maintenance
manual).

No Replace

sensor

Yes

To step 5

4

Take out connector of intake temperature sensor of the harness, and check
voltage between 1# and 2# pins of this connector is around 5V.

No Next

step

Yes

Repair or replace
harness

5

Check lines between 17#, 40# pins of ECU and 1#, 2# pins of sensor
connector are opened or shorted to power source.

No Next

step

6

Start the engine, and make it operate at idling speed. Observe changes of
values of “intake temperature” on the diagnosis instrument, and values shall
rise as temperature of cooling liquid of the engine rises at this time

Yes Diagnosis

help

134

No Replace

sensor

No.073 Malfunction code: P0113 "temperature indicated by intake

temperature sensor too high"

Serial No. Operation steps

Results

Follow-ups

1

Switch on diagnosis instrument and commutator, and place ignition switch
to “ON”.

Next

step

Yes

To step 5

2

Observe “intake temperature” of data flow, and check it is equal to
temperature within air inlet pipe (specific value related to engine
temperature at that time). Note: if value is -40 at this point, then

℃

disconnection malfunction may occur to lines.

No Next

step

Yes Next

step

3

Take out connector of intake temperature sensor of the harness, and check
resistance between 1# and 2# pins of sensor is suitable to its temperature
with multimeter (for details, refer to related parts of this maintenance
manual).

No Replace

sensor

Yes

To step 5

4

Take out connector of intake temperature sensor of the harness, and check
voltage between 1# and 2# pins of this connector is around 5V.

No Next

step

Yes

Repair or replace
harness

5

Check lines between 17#, 40# pins of ECU and 1#, 2# pins of sensor
connector are shorted to ground.

No Next

step

Yes Diagnosis

help

6

Start the engine, and make it operate at idling speed. Observe changes of
values of “intake temperature” on the diagnosis instrument, and values shall
rise as temperature of cooling liquid of the engine rises at this time.

No Replace

sensor

No.074 Malfunction code: P0117 "temperature indicated by cooling

liquid temperature sensor too low"

Serial No. Operation steps

Results

Follow-ups

1

Switch on diagnosis instrument and commutator, and place ignition switch
to “ON”.

Next

step

Yes

To step 6

2

Observe “temperature of cooling liquid” of data flow, and check it is equal to
engine temperature (specific value related to engine temperature at that
time). Note: if value is -40 at this point, then disc

℃

onnection malfunction

may occur to lines.

No Next

step

Yes Next

step

3

Take out connector of temperature sensor of cooling liquid of the harness,
and check resistance between 1# and 2# pins of sensor is suitable to its
temperature with multimeter (for details, refer to related parts of this
maintenance manual).

No Replace

sensor

4

Take out connector of temperature sensor of cooling liquid of the harness,
and check voltage between 1# and 2# pins of this connector is around 5V.

Yes

To step 6

135

No Next

step

Yes

Repair or replace
harness

5

Check lines between respectively 39#, 35# pins of ECU and 1#, 2# pins of
sensor connector are opened, or shorted to power source.

No Next

step

Yes Diagnosis

help

6

Start the engine, and make it operate at idling speed. Observe changes of
values of “temperature of cooling liquid” on the diagnosis instrument, and
values shall rise as temperature of cooling liquid of the engine rises at this
time.

No Replace

sensor

No.075 Malfunction code: P0118 "temperature indicated by cooling

liquid temperature sensor too high"

Serial No. Operation steps

Results

Follow-ups

1

Switch on diagnosis instrument and commutator, and place ignition switch
to “ON”.

Next

step

Yes

To step 6

2

Observe “temperature of cooling liquid” of data flow, and check it is equal to
engine temperature (specific value related to engine temperature at that
time). Note: if value is -40 at this point, then disconnection malfunction

℃

may occur to lines.

No Next

step

Yes Next

step

3

Take out connector of temperature sensor of cooling liquid of the harness,
and check resistance between 1# and 2# pins of sensor is suitable to its
temperature with multimeter (for details, refer to related parts of this
maintenance manual).

No Replace

sensor

Yes

To step 6

4

Take out connector of temperature sensor of cooling liquid of the harness,
and check voltage between 1# and 2# pins of this connector is around 5V.

No Next

step

Yes

Repair or replace
harness

5

Check lines between respectively 39#, 35# pins of ECU and 1#, 2# pins of
sensor connector are shorted to ground.

No Next

step

Yes Diagnosis

help

6

Start the engine, and make it operate at idling speed. Observe changes of
values of “temperature of cooling liquid” on the diagnosis instrument, and
values shall rise as temperature of cooling liquid of the engine rises at this
time.

No Replace

sensor

No.076 Malfunction code: P0122 "voltage of throttle valve position

sensor circuit too low"

Serial No. Operation steps

Results

Follow-ups

1

Switch on diagnosis instrument and commutator, and place ignition switch
to “ON”.

Next

step

136

Yes Next

step

2

Observe "absolute opening of throttle valve" of data flow, and value is
between 4%-10% (specific value depends on vehicle model).

No

To step 5

Yes Next

step

3

Step the throttle to full opening and observe "absolute opening of throttle
valve" of data flow, and value will be increased to about 85-95% as opening
of throttle valve is increased (specific value depends on vehicle model).

No

To step 5

Yes Replace

sensor

4

Repeat Step 3, and observe "absolute opening of throttle valve" of data
flow, and value is abruptly changed during changes.

No Next

step

Yes

Repair or replace
harness

5

Take out connector of throttle valve position sensor of harness, and check
lines between respectively 17#, 32#, 16# pins of ECU and 1#, 2#, 3# pins of
sensor connector are shorted to ground.

No Next

step

Yes Replace

sensor

6

Check voltage between 1# and 2# pins of this connector is around 5V with
multimeter.

No Diagnosis

help

No.077 Malfunction code: P0123 "voltage of throttle valve position

sensor circuit too high"

Serial No. Operation steps

Results

Follow-ups

1

Switch on diagnosis instrument and commutator, and place ignition switch
to “ON”.

Next

step

Yes Next

step

2

Observe "absolute opening of throttle valve" of data flow, and value is
between 4%-10% (specific value depends on vehicle model).

No

To step 5

Yes Next

step

3

Step the throttle to full opening and observe "absolute opening of throttle
valve" of data flow, and value will be increased to about 85-95% as opening
of throttle valve is increased (specific value depends on vehicle model).

No

To step 5

Yes Replace

sensor

4

Repeat Step 3, and observe "absolute opening of throttle valve" of data
flow, and value is abruptly changed during changes.

No Next

step

Yes

Repair or replace
harness

5

Take out connector of throttle valve position sensor of harness, and check
lines between respectively 17#, 32#, 16# pins of ECU and 1#, 2#, 3# pins
of sensor connector are opened, or shorted to power source.

No Next

step

Yes Replace

sensor

6

Check voltage between 1# and 2# pins of this connector is around 5V with
multimeter.

No Diagnosis

help