Part 4

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

13. CHECK FOR SHORT IN CAN BUS LINES (AIR CONDITIONING AMPLIFIER ASSEMBLY)

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

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





Standard Resistance:





Text in Illustration





NG -- REPLACE CAN NO. 5 JUNCTION CONNECTOR

OK -- REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY Removal

14. CHECK FOR SHORT 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 and 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.

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

(a) Disconnect the engine room main wire from the CAN No. 1 junction 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 (ECM)
OK -- Continue to next step.

16. CHECK FOR SHORT IN CAN BUS LINES (CAN NO. 1 J/C - SKID CONTROL ECU)

(a) Disconnect the skid control ECU (brake booster with master cylinder assembly) connector.

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





Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (CAN NO. 1 J/C - SKID CONTROL ECU)
OK -- Continue to next step.