DTC Code | DTC Name |
---|---|
P0A2C-247 | Drive Motor "A" Temperature Sensor Circuit Low |
P0A2D-249 | Drive Motor "A" Temperature Sensor Circuit High |
DESCRIPTION
Refer to the description for DTC P0A2B-250 Click here.
DTC No. | INF Code | DTC Detection Condition | Trouble Area |
---|---|---|---|
P0A2C | 247 | Line short or short to ground in the motor temperature sensor circuit (1 trip detection logic) |
|
P0A2D | 249 | Open or short to +B in the motor temperature sensor circuit (1 trip detection logic) |
DTC No. | Data List |
---|---|
P0A2C-247 | Motor Temp No1 |
P0A2D-249 |
Tech Tips
After confirming that DTC P0A2C-247 or P0A2D-249 is output, use the Techstream to check "Motor Temp No1" in the power management control ECU Data List.
Displayed Temperature | Malfunction |
---|---|
-40°C (-40°F) | Open circuit or short to +B |
215°C (419°F) | Short circuit or short to GND |
WIRING DIAGRAM
INSPECTION PROCEDURE
Tech Tips
After the repair, clear the DTCs and perform the following procedure to check that DTCs are not output.
Turn the power switch on (IG) and wait for 5 seconds or more.
PROCEDURE
CHECK CONNECTOR CONNECTION CONDITION (POWER MANAGEMENT CONTROL ECU CONNECTOR)
Check the connector connections and contact pressure of the relevant terminals for the power management control ECU connectors Click here.
OK |
---|
The connectors are connected securely and there are no contact pressure problems. |
NG |
CONNECT SECURELY |
OK |
READ VALUE USING TECHSTREAM (MOTOR TEMP NO1)
Connect the Techstream to the DLC3.
Turn the power switch on (IG).
Enter the following menus: Powertrain / Hybrid Control / Data List / Motor Temp No1.
Read the Data List.
Result | ||||||||
---|---|---|---|---|---|---|---|---|
|
Turn the power switch off.
B |
READ VALUE USING TECHSTREAM (CHECK FOR SHORT) Click here |
C |
CHECK FOR INTERMITTENT PROBLEMS Click here |
A |
READ VALUE USING TECHSTREAM (CHECK FOR OPEN)
Disconnect the E15 motor temperature sensor connector.
Connect terminals 1 (MMT) and 3 (MMTG) of vehicle side connector E15 of the motor temperature sensor.
Connect the Techstream to the DLC3.
Turn the power switch on (IG).
Enter the following menus: Powertrain / Hybrid Control / Data List / Motor Temp No1.
Read the Data List.
OK | ||||||
---|---|---|---|---|---|---|
|
*a | Front view of wire harness connector (to Motor Temperature Sensor) |
Tech Tips
The motor temperature sensor is not available separately. If it requires replacement, replace the hybrid vehicle transaxle assembly.
Result | ||||||||
---|---|---|---|---|---|---|---|---|
|
Turn the power switch off.
Reconnect the E15 motor temperature sensor connector.
B |
REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY (When Using the Engine Support Bridge) Click here |
C |
CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - MOTOR TEMPERATURE SENSOR) Click here |
A |
REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY (When Not Using the Engine Support Bridge) Click here
CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - MOTOR TEMPERATURE SENSOR)
*a | Component with harness connected (Power Management Control ECU) |
Connect terminals 35(MMT) and 34(MMTG) of connector A39 of the power management control ECU.
Connect the Techstream to the DLC3.
Turn the power switch on (IG).
Enter the following menus: Powertrain / Hybrid Control / Data List / Motor Temp No1.
Read the Data List.
OK | ||||||
---|---|---|---|---|---|---|
|
Turn the power switch off.
NG |
REPLACE POWER MANAGEMENT CONTROL ECU Click here |
OK |
REPAIR OR REPLACE HARNESS OR CONNECTOR
READ VALUE USING TECHSTREAM (CHECK FOR SHORT)
Disconnect the E15 motor temperature sensor connector.
Connect the Techstream to the DLC3.
Turn the power switch on (IG).
Enter the following menus: Powertrain / Hybrid Control / Data List / Motor Temp No1.
Read the Data List.
OK | ||||||
---|---|---|---|---|---|---|
|
Tech Tips
The motor temperature sensor is not available separately. If it requires replacement, replace the hybrid vehicle transaxle assembly.
Result | ||||||||
---|---|---|---|---|---|---|---|---|
|
Turn the power switch off.
Reconnect the E15 motor temperature sensor connector.
B |
REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY (When Using the Engine Support Bridge) Click here |
C |
CHECK HARNESS AND CONNECTOR (MOTOR TEMPERATURE SENSOR - POWER MANAGEMENT CONTROL ECU) Click here |
A |
REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY (When Not Using the Engine Support Bridge) Click here
CHECK HARNESS AND CONNECTOR (MOTOR TEMPERATURE SENSOR - POWER MANAGEMENT CONTROL ECU)
Disconnect the E15 motor temperature sensor connector.
Disconnect the A39 power management control ECU connector.
Measure the resistance according to the value(s) in the table below.
*a | Front view of wire harness connector (to Motor Temperature Sensor) |
*b | Rear view of wire harness connector (to Power Management Control ECU) |
Standard Resistance (Check for Open) | |||||||||
---|---|---|---|---|---|---|---|---|---|
|
Standard Resistance (Check for Short) | |||||||||
---|---|---|---|---|---|---|---|---|---|
|
Reconnect the A39 power management control ECU connector.
Reconnect the E15 motor temperature sensor connector.
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
OK |
REPLACE POWER MANAGEMENT CONTROL ECU Click here