P3107-214

HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM: P3107-214: Lost Communication with Airbag System Control Module
P3107-214 - Lost Communication with Airbag System Control Module

DESCRIPTION

- Refer to the description for DTC P3107-213 P3107-213.





WIRING DIAGRAM

Refer to the wiring diagram for DTC P0AE6-225 P0AE6.

Refer to the wiring diagram for DTC P3107-213 P3107-213.

INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC OUTPUT (AIRBAG)

(a) Connect the Techstream to the DLC3.

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

(c) Enter the following menus: Body Electrical / SRS Airbag / Trouble Codes.

(d) Check if DTCs are output.

Result:





(e) Turn the power switch off.

B -- GO TO DTC CHART Airbag System
A -- Continue to next step.

2. CHECK AIRBAG ECU ASSEMBLY (CHECK WAVEFORM) P3107-213

B -- CHECK CONNECTOR CONNECTION CONDITION (POWER MANAGEMENT CONTROL ECU CONNECTOR)
A -- Continue to next step.

3. CLEAR DTC P0A09-591

NEXT -- Continue to next step.

4. CHECK DTC OUTPUT (HV)

(a) Connect the Techstream to the DLC3.

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

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

(d) Check if DTCs are output.

Result:





(e) Turn the power switch off.

B -- REPLACE POWER MANAGEMENT CONTROL ECU Components
A -- Continue to next step.

5. CHECK FOR INTERMITTENT PROBLEMS

(a) Check for intermittent problems Check for Intermittent Problems.

NG -- REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA

OK -- REPLACE POWER MANAGEMENT CONTROL ECU Components

6. CHECK CONNECTOR CONNECTION CONDITION (POWER MANAGEMENT CONTROL ECU CONNECTOR) P0340-886

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

7. CHECK CONNECTOR CONNECTION CONDITION (AIRBAG ECU ASSEMBLY CONNECTOR)

(a) Check the connections of the airbag ECU assembly connectors.





Text in Illustration





OK:

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

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

8. CHECK HARNESS AND CONNECTOR (+B SHORT)

(a) Remove the IGCT NO. 2 fuse and AM2 fuse from the engine room relay block and junction block assembly.





Text in Illustration





(b) Disconnect connector L16 from the airbag ECU assembly.

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





Standard Resistance:





Text in Illustration





(d) Connect the airbag ECU assembly connector.

(e) Install the IGCT NO. 2 fuse and AM2 fuse.

NG -- CHECK HARNESS AND CONNECTOR (SHORT TO POWER SUPPLY WIRES)
OK -- Continue to next step.

9. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - AIRBAG ECU ASSEMBLY)

(a) Disconnect connector L5 from the power management control ECU.

(b) Disconnect connector L16 from the airbag ECU assembly.

(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





HINT
As necessary, check that there is no short to power supply wires when performing the above wire harness inspection.

(d) Connect the airbag ECU assembly connector.

(e) Connect the power management control ECU connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

10. CHECK POWER MANAGEMENT CONTROL ECU

(a) Disconnect connector L16 from the airbag ECU assembly.

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

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





Standard Voltage:





Text in Illustration





NOTICE:
Turning the power switch on (IG) with the airbag ECU assembly connector disconnected causes other DTCs to be stored. Clear the DTCs after performing this inspection.

(d) Connect the airbag ECU assembly connector.

NG -- REPLACE POWER MANAGEMENT CONTROL ECU Components

OK -- REPLACE AIRBAG ECU ASSEMBLY Components

11. CHECK HARNESS AND CONNECTOR (SHORT TO POWER SUPPLY WIRES)

(a) Remove the IGCT NO. 2 fuse and AM2 fuse from the engine room relay block and junction block assembly.





Text in Illustration





(b) Disconnect connector L16 from the airbag ECU assembly.

(c) Disconnect all the connectors from the power management control ECU.

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





Standard Resistance:





Text in Illustration





(e) Connect the power management control ECU connectors.

(f) Connect the airbag ECU assembly connector.

(g) Install the IGCT NO. 2 fuse and AM2 fuse.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE POWER MANAGEMENT CONTROL ECU Components