Part 3
NETWORKING: CAN COMMUNICATION SYSTEM: U1002: Lost Communication with Gateway Module (Power Management2)
U1002 - Lost Communication with Gateway Module (Power Management2) (Continued)
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.
11. CHECK FOR SHORT IN CAN BUS LINES (CAN NO. 5 J/C - CAN NO. 1 J/C)
(a) Disconnect the wire harness connector from the CAN No. 5 junction connector front side.
(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. 1 J/C - CAN NO. 5 J/C)
OK -- Continue to next step.
12. CHECK FOR SHORT IN CAN BUS LINES (CAN NO. 5 J/C - AIR CONDITIONING AMPLIFIER ASSEMBLY)
(a) Disconnect the air conditioning amplifier 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. 5 J/C - AIR CONDITIONING AMPLIFIER ASSEMBLY)
OK -- Continue to next step.