Toyota Sequoia (2005). Manual - part 608

–

DIAGNOSTICS

NAVIGATION SYSTEM

DI–2227

2421

5

Check antenna cord sub–assy.

PREPARATION:
Remove the antenna plug of the radio and navigation assy and antenna assy.
CHECK:
Measure the resistance between the antenna assy and radio and navigation assy to check for an open circuit
in the antenna cord sub–assy.
OK:

Below 1 

Ω

CHECK:
Measure the resistance between the antenna cord sub–assy and body ground to check for a short circuit
in the antenna cord sub–assy.
OK:

10 k

Ω

 or higher

NG

Replace antenna cord sub–assy.

OK

6

Replace amplifier antenna assy.

CHECK:
Replace the amplifier antenna assy and check if it operates normally.
OK:

The amplifier antenna assy operates normally.

OK

Normal operation.

NG

Proceed to next circuit inspection shown in problem symptoms table (See page 

DI–2184

).

I28256

DI–2228

–

DIAGNOSTICS

NAVIGATION SYSTEM

2422

CD cannot be inserted/played or CD is ejected right after insertion

INSPECTION PROCEDURE

1

Check CD.

CHECK:
Check if the CD is a normal audio CD that has no cracks, scratches, deformations, dirt, or other defects.
OK:

The CD is a normal audio CD without any problems.

HINT:

Translucent or deformed CDs cannot be played.

CD–ROMs (even those with music) and CD–R discs cannot be played.

A copy protected CD should not be used.

An adaptor is not necessary to play 3.2 inch (8 cm) CDs.

NG

Replace CD.

OK

2

Check radio and navigation assy.

CHECK:
Check if the ”DISC” indicator near the disc slot is on.
OK:

It is not on.

NG

Press disc switch to eject disc.

OK

DIDCL–01

I28257

–

DIAGNOSTICS

NAVIGATION SYSTEM

DI–2229

2423

3

Check if a cd is inserted properly.

CHECK:
Check if a CD is inserted properly.

Check whether or not the CD is inserted upside down.

OK:

Not upside down.

NG

Set disc correctly.

OK

4

Check CD.

CHECK:
Check for dirt on the CD surface.
OK:

The CD is clean.

HINT:
If dirt is on the CD surface, wipe it with a soft cloth from inside
to outside in a radial direction.
NOTICE:
Do not use conventional record cleaner or anti–static pre-
servative.

NG

Clean CD.

OK

DI–2230

–

DIAGNOSTICS

NAVIGATION SYSTEM

2424

5

Check using another CD.

CHECK:
Check using another CD.

Check if the problem recurs using another CD.

OK:

The problem does not recur.

OK

Replace CD.

NG

Proceed to next circuit inspection shown in problem symptoms table (See page 

DI–2184

).