xD L4-1.8L (2ZR-FE) (2008)
1. CHECK CAN BUS LINE
HINT:
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Check the CAN bus line. See: Component Tests and General Diagnostics/Check CAN Bus Line
NEXT -- Continue to next step.
2. CHECK INSTALLED SYSTEMS (ECUS AND SENSORS) THAT ADOPT CAN COMMUNICATION
NEXT -- Continue to next step.
3. CHECK AND CLEAR DTCS
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4. CHECK CAN COMMUNICATION USING TECHSTREAM
(a) Select "CAN Bus Check" See: Diagnosis System.
Result:
NOTICE:
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The systems (ECUs and sensors) that adopt CAN communication vary depending on the vehicle and option settings. Check which systems
(ECUs and sensors) are installed on the vehicle See: Diagnosis System.
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Non-installed ECUs or sensors are not displayed. Do not mistake them for being in communication stop mode.
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If two or more ECUs or sensors are not displayed on the Techstream, perform troubleshooting for open in one side of the CAN branch wire
for each undisplayed ECU or sensor. (Open circuit in CAN branch wire)
B -- GO TO COMMUNICATION STOP MODE TABLE
C -- GO TO OPEN IN ONE SIDE OF CAN BRANCH WIRE
A -- Continue to next step.
5. DTC COMBINATION TABLE
(a) Confirm trouble according to the combination of output DTCs regarding the CAN communication system.
HINT: Previous CAN communication system DTCs may be the cause if CAN communication system DTCs are output and all ECUs and
sensors connected to the CAN communication system are displayed on the Techstream "CAN Bus Check" screen.
NEXT -- Continue to next step.
6. INSPECT CIRCUIT
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7. IDENTIFY PROBLEM
NEXT -- Continue to next step.
8. REPAIR OR REPLACE
NEXT -- Continue to next step.
9. PERFORM CONFIRMATION TEST
NEXT -- END