Hybrid Control System

L110F HYBRID VEHICLE CONTROL: HYBRID CONTROL SYSTEM: DTC CHECK / CLEAR

1. CHECK FOR DTCS

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.

(e) Check the DTCs and freeze frame data, and then write them down.

(f) Check the details of the DTCs Hybrid Control System.

2. CHECK FREEZE FRAME DATA AND INFORMATION

(a) If a DTC is present, select it in order to display its freeze frame data.

(b) Read the freeze frame data recorded when the DTC was set.

NOTICE:
An information code (INF code) will be displayed in one of the INFORMATION lines, 1 to 5.

(c) Read the information.

(1) Select the item from among INFORMATION 1 to 5 that has an INF code on the freeze frame data screen.

3. CHECK FOR DTCS (SYSTEMS OTHER THAN THE HYBRID VEHICLE CONTROL ECU)

HINT
The hybrid vehicle control ECU maintains communication with other computers, including the ECM, battery ECU, skid control ECU, and power steering ECU. Therefore, if the hybrid vehicle control ECU outputs a warning, it is necessary to check and record the DTCs of all systems.

(a) If DTCs are present, check the relevant systems.

HINT
If DTCs for the CAN communication system are present in addition to other DTCs, first troubleshoot and repair any malfunctions in the CAN communication system.

4. CLEAR DTCS

NOTICE:
Clearing the DTCs will also clear the freeze frame data, information Information / Freeze Frame Data, and operation history data Operation History Data.

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Turn the Techstream on.

(d) Check that the P shift position has been selected.

(e) Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.

(f) Clear DTCs and freeze frame data.