P0A2D

P313 HYBRID VEHICLE CONTROL: HYBRID CONTROL SYSTEM: P0A2C-247, P0A2D-249: 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 P0A2B.

HINT
After confirming that DTC P0A2C-247 or P0A2D-249 is output, use the Techstream to check "Motor Temp No1" in the hybrid vehicle control ECU Data List.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. CHECK CONNECTOR CONNECTION CONDITION (HYBRID VEHICLE CONTROL ECU CONNECTOR) P0340-886

NG -- CONNECT SECURELY
OK -- Continue to next step.

2. CHECK CONNECTOR CONNECTION CONDITION (ENGINE ROOM JUNCTION BLOCK ASSEMBLY)

(a) Check the connections of the engine room junction block assembly connectors.

OK:

The connectors are connected securely and there are no contact problems.

NG -- CONNECT SECURELY
OK -- Continue to next step.

3. READ VALUE USING TECHSTREAM (MOTOR TEMP NO1)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Enter the following menus: Powertrain / Hybrid Control / Data List / Motor Temp No1.

(d) Read the Data List.

Result:

(e) Turn the ignition switch off.

C -- CHECK FOR INTERMITTENT PROBLEMS Check For Intermittent Problems

B -- READ VALUE USING TECHSTREAM (CHECK FOR SHORT)
A -- Continue to next step.

4. READ VALUE USING TECHSTREAM (CHECK FOR OPEN)

(a) Disconnect connector BA2 from the engine room junction block assembly.

(b) Connect terminals BA2-B11 (MMT) and BA2-B10 (MMTG) of the engine room junction block assembly.

(c) Connect the Techstream to the DLC3.

(d) Turn the ignition switch to ON.

(e) Enter the following menus: Powertrain / Hybrid Control / Data List / Motor Temp No1.

(f) Read the Data List.

Result:

Text in Illustration

(g) Turn the ignition switch off.

(h) Connect the engine room junction block assembly connector.

NG -- CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - ENGINE ROOM JUNCTION BLOCK)
OK -- Continue to next step.

5. CHECK HARNESS AND CONNECTOR (MOTOR TEMPERATURE SENSOR - ENGINE ROOM JUNCTION BLOCK)

(a) Disconnect connector BA2 from the engine room junction block assembly.

(b) Remove the inverter with converter assembly Removal.

(c) Disconnect the motor temperature sensor connector.

(d) Measure the resistance according to the value(s) in the table below.

Standard Resistance (Check for Open):

Standard Resistance (Check for Short):

Text in Illustration

(e) Connect the motor temperature sensor connector.

(f) Install the inverter with converter assembly.

(g) Connect the engine room junction block assembly connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY Removal

6. CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - ENGINE ROOM JUNCTION BLOCK)

(a) Connect terminals 24 (MMT) and 25 (MMTG) of connector A65 of the hybrid vehicle control ECU.

(b) Connect the Techstream to the DLC3.

(c) Turn the ignition switch to ON.

(d) Enter the following menus: Powertrain / Hybrid Control / Data List / Motor Temp No1.

(e) Read the Data List.

Result:

Text in Illustration

(f) Turn the ignition switch off.

NG -- REPLACE HYBRID VEHICLE CONTROL ECU Removal

OK -- REPAIR OR REPLACE HARNESS OR CONNECTOR

7. READ VALUE USING TECHSTREAM (CHECK FOR SHORT)

(a) Disconnect the connector from the engine room junction block assembly.

(f) Turn the ignition switch off.

NG -- CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - ENGINE ROOM JUNCTION BLOCK)
OK -- Continue to next step.

8. CHECK HARNESS AND CONNECTOR (ENGINE ROOM JUNCTION BLOCK - MOTOR TEMPERATURE SENSOR)

(a) Disconnect connector BA2 from the engine room junction block assembly.

(b) Remove the inverter with converter assembly Removal.

(c) Disconnect the motor temperature sensor connector.

(d) Measure the resistance according to the value(s) in the table below.

Standard Resistance (Check for Open):

Standard Resistance (Check for Short):

Text in Illustration

(e) Connect the motor temperature sensor connector.

(f) Install the inverter with converter assembly.

(g) Connect the engine room junction block assembly connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY Removal

9. CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - ENGINE ROOM JUNCTION BLOCK)

(a) Disconnect connector BA2 from the engine room junction block assembly.

(b) Disconnect connector A65 from the hybrid vehicle control ECU.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance (Check for Open):

Standard Resistance (Check for Short):

Text in Illustration

(d) Connect the hybrid vehicle control ECU connector.

(e) Connect the engine room junction block assembly connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE HYBRID VEHICLE CONTROL ECU Removal