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TSB #: 14-AT-004

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Page 3 of 7

SUBJECT:

3.

EV MOTOR TEMPERATURE SENSOR DTC POA2B , POA2C, POA2D, POA2F

Open the rear trunk and open the cover to the
safety switch .
Put on safety gloves and pull up on the black
tab and pull out the safety switch .
Go to Step 4 .

WARNING
Failure to perform this procedure may
result in accidental injury or death.

4.

Without depressing the brake pedal , push the Start-Stop button 2 times to power the cluster.
Attach a GOS and select BMS menu , Current Data and Inverter Capacitor Voltage . Confirm
the Inverter Capacitor Voltage is less than 30V.
•
•

If less than 30V, the system voltage is safe for the technician . Turn off the ignition and
disconnect the negative battery cable . Go to Step 5.
If more than 30V, wait until the voltage is within specification before performing any
repai rs.

0 Select a Sensor Data
item to view its relative
information .

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0
0
D
D
0
0
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0
D
D
D
D
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0
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Isolation Resistance

1000 kOhm

Battery Ce ll Voltage 1
Batte ry Ce ll Voltage 2
Battery Ce ll Vo ltage 3
Battery Ce ll Voltage 4
Battery Cell Voltage 5
Battery Cell Vollage 6
Battery Ce ll Vollage 7
Battery Ce ll Voltage 8
Battery Ce ll Vo ltage 9
Battery Ce ll Voltage 10
Dottery Ce ll Voltage 11
Battery Ce ll Voltage 12
Battery Ce ll Voltage 13
Battery Cell Voltage 14
Battery Cell Voltage 15
Battery Cell Voltage 16
Batte ry Ce ll Vo ltage 17
Ba ltery Ce ll Vo ltage 18
Battery Ce ll Voltage 19
Battery Cell Vo ltage 20
Battery Ce ll Voltage 21
Battery Cell Voltage 22
Battery Cell Voltage 23
Batte rv Cell Voltaae 24

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3.68

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3.68
3.68

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GOS

TSB # : 14-AT-004

OTC

v

3.68 v
3.68 v
3.68 v
3.68 v
3.70
3.70
3.70
3.70
3.70
3.70
3.70
3 .70
3.70
3.70
3.70
3.70
3.70
3.70
3.70
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Page 4 of 7

SUBJECT:

EV MOTOR TEMPERATURE SENSOR OTC POA2B, POA2C, POA2D, POA2F

5.

Remove the air intake duct.

6.

Remove the air intake hose and air cleaner
assembly.

7.

Disconnect the connector to the extension
motor wire and temperature sensor.

TSB #: 14-AT-004

Page 5 of 7

SUBJECT:

8.

EV MOTOR TEMPERATURE SENSOR DTC POA2B, POA2C, POA2D, POA2F

Use a DVOM to measure the resistance
between the two pins shown . Record the
resistance .
Specification :

9.

Disconnect the extension motor wire connector

to the temperature sensor at the transaxle.
Measure the resistance between the two pins
shown . Specification :

If the resistance is:
• Different than the value found in Step 8, go
to Step 10 and retest the extension wire.
• Not within specification , replace the
automatic transaxle and go to Step 11.
• Within specification , replace the HPCU.

10. If Step 8 and 9 showed different values , use a
DVOM to measure the resistance between the
pins as shown. If the resistance is:
• Less than 1 ohm , the harness is ok. Go
to Step 9 and retest.
• More than 1 ohm , replace the extension
motor wire .

TSB # : 14-AT-004

Less than 1.00

Page 6 of 7

SUBJECT:
11.

EV MOTOR TEMPERATURE SENSOR OTC POA2B, POA2C , POA2D, POA2F

If transaxle was replaced , remove the fill plug.

Filling and checking of fluid level is
done through valve body side cover

Use a funnel to add approximately 5-6 quarts
of SP-4-M ATF through the fill plug opening .
Reinstall the fill plug .
Attach the GOS to the DLC and select vehicle ,
A/T menu , Cu rrent Data and "Oil Temperature
Sensor".
Start the eng ine and shift to Park. When the
ATF is 122°F-140°F (50-60 °C), remove the
level checking plug . The level is correct when
oil flows from the level checking plug in a thin
steady stream .

I Fill Plug shown

I Level Checking Plug

ATF TEMPERATURE = 122 - 140F (50- 60C)
SHIFT LEVER IN " P" AND ENGINE RUNNING

Collect and dispose of any excess fluid in accordance with local regulations.
12. Clear the OTC in the Bluelink system according to instructions in TSB 12-BE-005-2.
13. Drive the vehicle for two key-on/key-off cycles to confirm the OTC do not return . If the OTC
return , repair or replace the control wiring harness .

TSB #: 14-AT-004

Page 7 of 7