Operation CHARM: Car repair manuals for everyone.
Home >> Toyota >> 2007 >> Landcruiser V8-4.7L (2UZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Information Bus >> Testing and Inspection >> Initial Inspection and Diagnostic Overview >> CAN Communication System >> Description of On-Board Diagnostics >> Diagnosis System
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Diagnosis System

DIAGNOSIS SYSTEM




1. BUS CHECK
a. Select "BUS CHECK" from the "OBD/MOBD MENU" screen.

HINT: The ECUs and sensors that are properly connected to the CAN communication system can be displayed using the intelligent tester via CAN VIM.




b. Press "ENTER" on the intelligent tester via CAN VIM.




c. The screen displays the ECUs that are properly connected to the CAN communication system.

HINT: There is a communication stop in the system of any properly connected ECUs that are not displayed.

2. DTC TABLE BY ECU

HINT:
- In the CAN communication system, CAN communication system DTCs can be displayed by the ECU using the intelligent tester
- If CAN communication system DTCs are output, trouble cannot be determined only by the DTCs.
Perform troubleshooting according to "HOW TO PROCEED WITH TROUBLESHOOTING". Diagnostic Strategies

a. ECM

HINT: The ECM is connected to the CAN communication system, but CAN communication system DTCs are not output.




b. Skid control ECU assembly

HINT: DTC communication uses the SIL line.

c. GATEWAY ECU

HINT: The gateway ECU is connected to the CAN communication system but CAN communication DTCs are not output.




3. DTC COMBINATION TABLE
a. Perform troubleshooting according to the combination of DTCs output.

HINT:
- ECM COMMUNICATION STOP MODE
- GATEWAY ECU COMMUNICATION STOP MODE
- TRANSLATE ECU COMMUNICATION STOP MODE
pro multis · About Operation CHARM