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