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Home >> Lexus >> 2011 >> LS 460 RWD V8-4.6L (1UR-FSE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Information Bus >> Testing and Inspection >> Pinout Values and Diagnostic Parameters >> CAN Communication System >> Part 2

Part 2





CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: TERMINALS OF ECU

20. CHECK SEAT BELT CONTROL ECU

HINT
For vehicles with pre-collision system only.





(a) Disconnect the S45 and S47 ECU connectors.

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





21. CHECK DRIVING SUPPORT ECU

HINT
For vehicles with dynamic radar cruise control system, with pre-crash safety system or with lane keeping assist system only.





(a) Disconnect the A33 ECU connector.

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





HINT
*1: for Steering bus

*2: for Braking and driving bus

*3: for MS bus

*4: for Parking assist bus

22. CHECK ELECTRIC PARKING BRAKE ECU





(a) Disconnect the S46 and S48 ECU connectors.

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





23. CHECK PARKING ASSIST ECU

HINT
For vehicles with advanced parking guidance system and intuitive parking assist system only.





(a) Disconnect the L90 ECU connector.

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





24. CHECK CLEARANCE WARNING ECU

HINT
For vehicles with intuitive parking assist system only.





(a) Disconnect the L19 ECU connector.

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





25. CHECK FRONT CONTROLLER





(a) Disconnect the A50 controller connector.

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





26. CHECK OUTER MIRROR SWITCH





(a) Disconnect the L6 switch connector.

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





27. CHECK STEERING PAD ECU (STEERING PAD SWITCH)

HINT
As there is a spiral cable between the steering pad ECU and the vehicle harness connector, a direct inspection of the steering pad ECU side of the vehicle harness connector cannot be performed.





(a) Disconnect the L134 cable connector.

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





28. CHECK MULTIPLEX TILT AND TELESCOPIC ECU





(a) Disconnect the L34 ECU connector.

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





29. CHECK CERTIFICATION ECU





(a) Disconnect the L15 ECU connector.

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





30. CHECK FRONT MULTIPLEX NETWORK DOOR ECU LH





(a) Disconnect the N10 ECU connector.

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





31. CHECK FRONT MULTIPLEX NETWORK DOOR ECU RH





(a) Disconnect the N1 ECU connector.

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





32. CHECK REAR MULTIPLEX NETWORK DOOR ECU LH





(a) Disconnect the O14 ECU connector.

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





33. CHECK REAR MULTIPLEX NETWORK DOOR ECU RH





(a) Disconnect the O3 ECU connector.

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





34. CHECK FRONT POWER SEAT ECU AND SWITCH LH





(a) Disconnect the e45 and e46 switch connectors.

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





35. CHECK FRONT POWER SEAT ECU AND SWITCH RH

HINT
For vehicles with rear power seat control system only.





(a) Disconnect the e18 and e20 switch connectors.

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





36. CHECK REAR POWER SEAT MODULE SWITCH

HINT
For vehicles with rear power seat control system (except 4-passenger with Ottoman) or w/ seat heater system and rear power seat control system (for 4-passenger with Ottoman) only.





(a) Disconnect the r2*1 and S15*2 switch connectors.

HINT
*1: except 4-passenger with Ottoman

*2: for 4-passenger with Ottoman

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





HINT
*1: except 4-passenger with Ottoman

*2: for 4-passenger with Ottoman

*3: except 4-passenger without power seat

37. CHECK COMBINATION SWITCH





(a) Disconnect the L25 switch connector.

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





38. CHECK POWER TRUNK LID CONTROL ECU

HINT
For vehicles with power trunk lid system only.





(a) Disconnect the S43 ECU connector.

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





39. CHECK REAR JUNCTION BLOCK ECU (LUGGAGE ROOM JUNCTION BLOCK)





(a) Disconnect the S62 ECU connector.

(b) Disconnect the LA and LD junction block connectors.

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





40. CHECK TIRE PRESSURE WARNING ECU





(a) Disconnect the L89 connector.

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





41. CHECK FRONT MILLIMETER WAVE RADAR SENSOR

HINT
For vehicles with dynamic radar cruise control system or pre-collision system only.





(a) Disconnect the B9 sensor connector.

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





42. CHECK OBJECT RECOGNITION ECU

HINT
For vehicle with lane keeping assist system only.





(a) Disconnect the g1 ECU connector.

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





43. CHECK DRIVER MONITOR ECU

HINT
For vehicle with pre-collision system only.





(a) Disconnect the L18 ECU connector.

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





44. CHECK TCM





(a) Disconnect the A12 and E5 TCM connectors.

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




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