Sequoia 4WD V8-4.6L (1UR-FE) (2010)
(a) Based on the combination of stored CAN communication system DTCs, determine which ECUs and sensors have a communication stop
malfunction See: CAN Communication System/Diagnosis System.
NEXT -- Continue to next step.
11. PERFORM MALFUNCTION SIMULATION TEST (V BUS CIRCUIT MAIN WIRE PAST MALFUNCTION)*
(a) Using the Techstream, clear all DTCs.
(b) Perform a malfunction simulation test on all harnesses and connectors related to the V bus circuit main wire.
(c) Check the DTCs that were output as a result of the malfunction simulation test. Then determine the malfunctioning area.
NEXT -- Continue to next step.
12. ADJUST, REPAIR AND REPLACE
NEXT -- Continue to next step.
13. CONFIRMATION TEST
NEXT -- END
Diagnosis System
NETWORKING: CAN COMMUNICATION SYSTEM: DIAGNOSIS SYSTEM
1. BUS CHECK
(a) Select "CAN Bus Check" from the "System Select " screen on the Techstream.
HINT
*
If any properly connected ECUs or sensors are not displayed, there is a communication stop in the system See: Symptom Related
Diagnostic Procedures/Problem Symptoms Table.
*
Display the communication BUS check screen for approximately 1 minute and check for ECUs and sensors that are not indicated
on the screen.
2. CHECK INSTALLED SYSTEMS (ECUS AND SENSORS) THAT ADOPT CAN COMMUNICATION
(a) Systems (ECUs and sensors) that adopt CAN communication vary depending on the vehicle optional settings. Check which systems (ECUs and
sensors) are installed on the vehicle.
3. DTC TABLE BY ECU