Part 2

NETWORKING: CAN COMMUNICATION SYSTEM: U1002: Lost Communication with Gateway Module (Power Management2)
U1002 - Lost Communication with Gateway Module (Power Management2) (Continued)

5. CHECK FOR OPEN IN CAN BUS LINES (CAN NO. 5 J/C - POWER MANAGEMENT CONTROL ECU)

(a) Reconnect the wire harness connector to the CAN No. 5 junction connector front side.

(b) Disconnect the wire harness connector from the CAN No. 5 junction connector rear side.

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

Standard Resistance:

Text in Illustration

NG -- REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (CAN NO. 5 J/C - POWER MANAGEMENT CONTROL ECU)

OK -- REPLACE CAN NO. 5 JUNCTION CONNECTOR

6. CHECK FOR OPEN IN CAN BUS LINES (CAN NO. 1 J/C - CAN NO. 5 J/C)

(a) Reconnect the wire harness connector to the CAN No. 5 junction connector rear side.

(b) Disconnect the instrument panel wire from the CAN No. 1 junction connector.

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

Standard Resistance:

Text in Illustration

NG -- REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (CAN NO. 1 J/C - CAN NO. 5 J/C)
OK -- Continue to next step.

7. CHECK FOR OPEN IN CAN BUS LINES (CAN NO. 1 J/C - ECM)

(a) Reconnect the instrument panel wire to the CAN No. 1 junction connector.

(b) Disconnect the engine room main wire from the CAN No. 1 junction connector.

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

Standard Resistance:

Text in Illustration

NG -- CHECK FOR OPEN IN CAN BUS LINES (ECM)

OK -- REPLACE CAN NO. 1 JUNCTION CONNECTOR

8. CHECK FOR OPEN IN CAN BUS LINES (ECM)

(a) Reconnect the engine room main wire to the CAN No. 1 junction connector.

(b) Disconnect the ECM connector.

Text in Illustration

NG -- REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (CAN NO. 1 J/C - ECM)

OK -- REPLACE ECM Removal