IS F V8-5.0L (2UR-GSE) (2008)
NOTICE: When the measured value is 132 Ohms or more and a CAN communication system diagnostic trouble code is output, there may be
a fault besides disconnection of the DLC3 branch line. For that reason, troubleshooting should be performed again from "How to Proceed with
Troubleshooting" See: Initial Inspection and Diagnostic Overview/CAN Communication System/How to Proceed With Troubleshooting after
repairing the trouble area.
B -- REPAIR OR REPLACE DLC3 BRANCH LINE OR CONNECTOR (CANH, CANL)
A -- Continue to next step.
2. CHECK FOR OPEN IN CAN BUS MAIN WIRE (CAN BUS CHECK)
(a) Perform "CAN Bus Check" using the Techstream See: Initial Inspection and Diagnostic Overview/CAN Communication System/Diagnosis
System.
Result:
C -- CHECK FOR OPEN IN CAN BUS MAIN WIRE (ECM - CAN LH JUNCTION CONNECTOR)
B -- CHECK FOR OPEN IN CAN BUS MAIN WIRE (GATEWAY ECU - CAN LH JUNCTION CONNECTOR)
A -- Continue to next step.
3. CHECK FOR OPEN IN CAN BUS MAIN WIRE (ECM - CAN LH JUNCTION CONNECTOR)
(a) Turn the engine switch off.
(b) Disconnect the ECM connector (A6).
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NG -- REPAIR OR REPLACE CAN BUS MAIN WIRE OR CONNECTOR (ECM - CAN LH JUNCTION CONNECTOR)
OK -- REPLACE ECM
4. CHECK FOR OPEN IN CAN BUS MAIN WIRE (GATEWAY ECU - CAN LH JUNCTION CONNECTOR)