Sequoia 2WD V8-4.7L (2UZ-FE) (2003)
Accessory Delay Module: Diagnostic Aids
How To Proceed With Troubleshooting
HOW TO PROCEED WITH TROUBLESHOOTING
Carry out troubleshooting in accordance with the procedure given. Here, only the basic procedure is shown. Details are provided in Diagnostics section,
showing the most effective methods for each circuit. Confirm the troubleshooting procedures first for the relevant circuit before beginning
troubleshooting of that circuit.
General Information
GENERAL INFORMATION
A large number of ECU controlled Systems are used in the SEQUOIA. In general, the ECU controlled system is considered to be a very intricate system
requiring a high level of technical knowledge and expert skill to troubleshoot. However, the fact is that if you proceed to inspect the circuits one by one,