Here’s a link to the [https://cardiagn.com/toyota-sequoia-2001-2007-service-manual-pdf/|Toyota Sequoia 2001-2007 Service Repair Manual + Owner’s Manual] that may help.
Scroll down and click on the ''Diagnostics'' link.
When the file opens, scroll down to p.2163 (page numbers are at the bottom of each page - also shown as DI-1969 at the top of the page - if you type''1977'' in the box to the left of 2393 in the header bar and press the Enter key, you will come close to the page.)
This page and the following page give all the wire colours and their functions for the radio receiver assembly (separate type amplifier)
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On p.2165 (DI-1971) is the wiring for the radio receiver assembly built-in type amplifier.
+
On p.2165 (DI-1971) is the wiring for the radio receiver assembly (built-in type amplifier).
This section of the manual also shows how to do the diagnostics for the radio etc
Hi,
Here’s a link to the [https://cardiagn.com/toyota-sequoia-2001-2007-service-manual-pdf/|Toyota Sequoia 2001-2007 Service Repair Manual + Owner’s Manual] that may help.
Scroll down and click on the ''Diagnostics'' link.
When the file opens, scroll down to p.2163 (page numbers are at the bottom of each page - also shown as DI-1969 at the top of the page - if you type''1977'' in the box to the left of 2393 in the header bar and press the Enter key, you will come close to the page.)
This page and the following page give all the wire colours and their functions for the radio receiver assembly (separate type amplifier)
On p.2165 (DI-1971) is the wiring for the radio receiver assembly built-in type amplifier.
This section of the manual also shows how to do the diagnostics for the radio etc
Hopefully this is of some help.