Part 2

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

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 front 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

9. CHECK FOR SHORT IN CAN BUS LINES (POWER MANAGEMENT CONTROL ECU)

(a) Disconnect the power management control ECU connector.

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

Standard Resistance:

Text in Illustration

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

OK -- REPLACE POWER MANAGEMENT CONTROL ECU Removal

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

(a) Reconnect the power management control ECU connector.

(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 -- Continue to next step.