DESCRIPTION
Refer to the description for DTC P0731-871 Click here.
| DTC No. | INF Code | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| P0867 | 880 | After DTC P0868 is detected, the power management control ECU cannot confirm that the line pressure is forcibly applied. |
|
WIRING DIAGRAM
Refer to the wiring diagram for DTC P0731-871 Click here.
Refer to the wiring diagram for DTC P0867-882 Click here.
INSPECTION PROCEDURE
PROCEDURE
CHECK DTC OUTPUT (HYBRID CONTROL)
Connect the GTS to the DLC3.
Turn the power switch on (IG).
Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
Check if DTCs are output.
| Result | ||||||
|---|---|---|---|---|---|---|
|
| DTC No. | Relevant Diagnosis |
|---|---|
| P2720-852 | Pressure Control Solenoid Circuit Low Voltage |
| P2721-853 | Pressure Control Solenoid Circuit High Voltage |
| P2797-881 | Auxiliary Transmission Fluid Pump Control Performance |
| P0C29-865 | Auxiliary Transmission Fluid Pump Driver Circuit Performance |
| P0C2C-888, 889 | Auxiliary Transmission Fluid Pump Control Module Feedback Signal Range / Performance |
| P0C2D-858 | Auxiliary Transmission Fluid Pump Control Module Feedback Signal Low |
| P0C2E-859 | Auxiliary Transmission Fluid Pump Control Module Feedback Signal High |
Turn the power switch off.
| B |
|
GO TO DTC CHART (HYBRID CONTROL SYSTEM) Click here |
| A |
|
CHECK CONNECTOR CONNECTION CONDITION (POWER MANAGEMENT CONTROL ECU CONNECTOR)
| *A | for LHD |
| *B | for RHD |
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 |
|
CHECK CONNECTOR CONNECTION CONDITION (TRANSMISSION WIRE CONNECTOR)
Check the connection of the transmission wire connector Click here.
| OK |
|---|
| The connector is connected securely and there are no contact problems. |
| NG |
|
CONNECT SECURELY |
| OK |
|
CHECK CONNECTOR CONNECTION CONDITION (OIL PUMP MOTOR CONTROLLER CONNECTOR)
Note
Before disconnecting the connectors, confirm that they are properly connected by checking that the locking claws are engaged and that the connectors cannot be pulled out.
Check the connections of the oil pump motor controller connectors Click here.
| OK |
|---|
| The connectors are connected securely and there are no contact problems. |
Tech Tips
For connector A, when connecting it, insert it with the locking lever in the raised position. Rotate the lever downward and make sure that the connector is pulled into its socket. When the locking lever is in its fully closed position, a click will be heard as its locking claws engage. After the click is heard, pull up on the connector to confirm that it is properly connected.
| NG |
|
CONNECT SECURELY |
| OK |
|
CHECK FUSIBLE LINK (OIL PMP)
| *1 | No. 1 Engine Room Relay Block and Junction Block Assembly |
| *2 | Fusible Link (OIL PMP) |
Check if there is an open circuit in the fusible link (OIL PMP) in the No. 1 engine room relay block and junction block assembly.
| OK |
|---|
| There is no open circuit in the fusible link (OIL PMP). |
| NG |
|
REPLACE FUSIBLE LINK (OIL PMP) |
| OK |
|
CHECK HYBRID VEHICLE TRANSMISSION ASSEMBLY (SOLENOID VALVE (SP))
| *a | Rear view of wire harness connector (to Power Management Control ECU) |
Disconnect the connector from the power management control ECU.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
Connect the power management control ECU connector.
| NG |
|
CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - TRANSMISSION WIRE) Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - OIL PUMP MOTOR CONTROLLER)
| *a | Rear view of wire harness connector (to Power Management Control ECU) |
| *b | Front view of wire harness connector (to Oil Pump Motor Controller) |
Disconnect the connector from the power management control ECU.
Disconnect the connector from the oil pump motor controller.
Turn the power switch on (IG).
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
Note
Turning the power switch on (IG) with the power management control ECU and oil pump motor controller connectors disconnected causes other DTCs to be stored. Clear the DTCs after performing this inspection.
Turn the power switch off.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Connect the power management control ECU connector.
Connect the oil pump motor controller connector.
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK RELAY (OIL PMP)
| *1 | No. 1 Engine Room Relay Block and Junction Block Assembly |
| *2 | OIL PMP Relay |
Remove the OIL PMP relay from the No. 1 engine room relay block and junction block assembly.
| *1 | OIL PMP Relay |
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Install the OIL PMP relay to the No. 1 engine room relay block and junction block assembly.
| NG |
|
REPLACE RELAY (OIL PMP) |
| OK |
|
CHECK OIL WITH MOTOR PUMP ASSEMBLY
| *a | Front view of wire harness connector (to Oil Pump Motor Controller) |
Disconnect the connectors from the oil pump motor controller.
Turn the power switch on (IG).
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Note
Turning the power switch on (IG) with the oil pump motor controller connectors disconnected causes other DTCs to be stored. Clear the DTCs after performing this inspection.
Turn the power switch off.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Connect the oil pump motor controller connector.
| NG |
|
REPLACE OIL WITH MOTOR PUMP ASSEMBLY Click here |
| OK |
|
CHECK OIL PUMP MOTOR CONTROLLER (POWER SOURCE CIRCUIT)
Disconnect the connector from the oil pump motor controller.
Turn the power switch on (IG).
| *a | Front view of wire harness connector (to Oil Pump Motor Controller) |
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||
|---|---|---|---|---|---|---|
|
Turn the power switch off.
| *1 | No. 1 Engine Room Relay Block and Junction Block Assembly |
| *2 | OIL PMP Relay |
Remove the OIL PMP relay from the No. 1 engine room relay block and junction block assembly.
| *1 | No. 1 Engine Room Relay Block and Junction Block Assembly |
| *2 | OIL PMP Relay |
| *a | Front view of wire harness connector (to Oil Pump Motor Controller) |
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Disconnect the connector from the power management control ECU.
| *1 | No. 1 Engine Room Relay Block and Junction Block Assembly | *2 | OIL PMP Relay |
| *a | Rear view of wire harness connector (to Power Management Control ECU) |
- | - |
Turn the power switch off.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
Connect the oil pump motor controller connector.
Install the OIL PMP relay to the No. 1 engine room relay block and junction block assembly.
Connect the power management control ECU connector.
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CLEAR DTC
Connect the GTS to the DLC3.
Turn the power switch on (IG).
Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
Read and record the DTCs and freeze frame data.
Clear DTCs and freeze frame data.
Turn the power switch off.
| NEXT |
|
SIMULATION TEST
Connect the GTS to the DLC3.
Turn the power switch on (IG).
Enter the following menus: Powertrain / Hybrid Control / Active Test / Activate the Oil Pump (500rpm), Activate the Oil Pump (1000rpm).
Select OPM Revolution in the Data List.
Perform the "Activate the Oil Pump (500rpm)" and "Activate the Oil Pump (1000rpm)" Active Tests.
| OK |
|---|
| For both the "Activate the Oil Pump (500rpm)" and "Activate the Oil Pump (1000rpm)" Active Tests, the value of "OPM Revolution" is almost the same as the corresponding Active Test speed. |
Note
Make sure that the auxiliary battery is not discharged.
Turn the power switch off.
| NG |
|
REPLACE OIL WITH MOTOR PUMP ASSEMBLY Click here |
| OK |
|
SIMULATION TEST
Connect the GTS to the DLC3.
Turn the power switch on (READY).
Enter the following menus: Powertrain / Hybrid Control / Active Test / Control the Shift Position.
Select B1 Oil Pressure, B2 Oil Pressure Sensor, Line Pressure and Line Pressure Solenoid in the Data List.
Perform the "Control the Shift Position" Active Test.
Switch the shift position between "Lo" and "Hi" several times using the "Control the Shift Position" Active Test.
| OK | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||
Note
Transmission system DTCs may be stored if the "Control the Shift Position" Active Test is canceled before it is completed.
Turn the power switch off.
| NG |
|
REPLACE HYBRID VEHICLE TRANSMISSION ASSEMBLY Click here |
| OK |
|
CHECK FOR INTERMITTENT PROBLEMS
| NG |
|
REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA |
| OK |
|
CHECK FLUID LEAKS
Check for fluid leaks from the hybrid vehicle transmission assembly.
| OK |
|---|
| There are no fluid leaks. |
| NG |
|
REPAIR OR REPLACE HYBRID VEHICLE TRANSMISSION ASSEMBLY Click here |
| OK |
|
REPLACE POWER MANAGEMENT CONTROL ECU Click here
CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - TRANSMISSION WIRE)
| *a | Rear view of wire harness connector (to Power Management Control ECU) |
| *b | Front view of wire harness connector (to Transmission Wire) |
Disconnect the power management control ECU connector.
Disconnect the transmission wire connector.
Turn the power switch on (IG).
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||
|---|---|---|---|---|---|---|
|
Note
Turning the power switch on (IG) with the power management control ECU connector disconnected causes other DTCs to be stored. Clear the DTCs after performing this inspection.
Turn the power switch off.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
Tech Tips
The solenoid valve (SP) is not available separately. If it requires replacement, replace the hybrid vehicle transmission assembly
Connect the power management control ECU connector.
Connect the transmission wire connector.
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
REPLACE HYBRID VEHICLE TRANSMISSION ASSEMBLY Click here