C1916

SUSPENSION CONTROL: ACTIVE STABILIZER SUSPENSION SYSTEM: C1916: Malfunction in Rear Active Stabilizer Control ECU Local CAN Transmission
C1916 - Malfunction in Rear Active Stabilizer Control ECU Local CAN Transmission

DESCRIPTION

The front active stabilizer control ECU and rear active stabilizer control ECU communicate through CAN communication (local CAN bus). If a problem occurs in the CAN communication system (local CAN), DTC C1916 is stored.





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (CAN COMMUNICATION LINE)

(a) Disconnect the A49 front active stabilizer control ECU connector.





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

Standard resistance:





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

2. CHECK HARNESS AND CONNECTOR (CAN COMMUNICATION LINE)

(a) Disconnect the e1 rear active stabilizer control ECU connector.





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

Standard resistance:





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

3. CHECK HARNESS AND CONNECTOR (CAN COMMUNICATION LINE)

(a) Disconnect the A23 power steering ECU connector.





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

Standard resistance:





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

4. CHECK HARNESS AND CONNECTOR (CAN COMMUNICATION LINE)

(a) Disconnect the A40 steering control ECU connector.





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

Standard resistance:





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

5. CHECK OPERATION OF REAR ACTIVE STABILIZER CONTROL ECU

(a) Turn the engine switch off.

(b) Exchange the front active stabilizer control ECU with the rear active stabilizer control ECU.

(c) Connect Techstream to the DLC3.

(d) Turn the engine switch on (IG) and press the Techstream main switch ON.

(e) Clear the DTC Active Stabilizer Suspension System.

(f) Check for DTC.

Result





B -- CHECK INTERMITTENT PROBLEMS

A -- REPLACE REAR ACTIVE STABILIZER CONTROL ECU Removal