Toyota Sequoia (2005). Manual - part 601

DIDC6–01

I28208

Logical Address

Diagnostic Code

I28209

Logical Address

Diagnostic Code

–

DIAGNOSTICS

NAVIGATION SYSTEM

DI–2199

2393

CHECK MODE PROCEDURE

1.

SYSTEM CHECK MODE (DTC CHECK)

HINT:
Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore,
some detailed areas may not be shown exactly the same as on the actual vehicle.
(a)

Start the diagnostic mode (See page 

DI–2191

).

(b)

Read the system check result.

If all check results are ”EXCH,” ”CHEK” or ”Old,” touch the dis-
play to check the contents on the ”Unit Check Mode” screen and
record them on the customer problem analysis check sheet.
HINT:

If all check results are ”OK,” go to communication DTC
check (go to step c).

If a device name is not known, its physical address is dis-
played.

HINT:
If ”EXCH”, ”CHEK” and ”Old” as well as ”OK” exist, press the
service switch to return to the ”System Check Mode”. Then,
check the ”Unit Check Mode” screen and record them on the
customer problem analysis check sheet.

I28210

I28211

Sub–Code

Diagnostic Code

Logical Address

DI–2200

–

DIAGNOSTICS

NAVIGATION SYSTEM

2394

(c)

Read the communication diagnostic check result.
(1)

Return to the ”System Check Mode”, and press
”LAN Mon” switch to enter the LAN monitor screen.

(d)

If the result is ”CHEK” or ”Old,” touch the result switch to
check the contents on the individual communication diag-
nostic screen and record them on the customer problem
analysis check sheet.

HINT:

If all check results are ”No Err,” the system determines
that no DTC exists.

The sub–code (relevant device) will be indicated by its
physical address.

I28212

I28213

I28214

–

DIAGNOSTICS

NAVIGATION SYSTEM

DI–2201

2395

HINT:
If check results of other devices are ”CHEK,” press the ”Service”
switch to return to the original ”LAN Monitor” screen. Then,
check the individual communication diagnostic screen for the
next device and record the result on the customer problem anal-
ysis check sheet.

2.

SYSTEM CHECK MODE (DTC CLEAR/RECHECK)

HINT:
Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore,
some detailed areas may not be shown exactly the same as on the actual vehicle.
(a)

Enter diagnostic mode (See page 

DI–2191

).

(b)

Clear DTC
(1)

Press the ”Code CLR” switch for 3 seconds.

(2)

Check result is cleared.

(c)

Recheck
(1)

Press the ”Recheck” switch.

I28215

I28216

I28217

DI–2202

–

DIAGNOSTICS

NAVIGATION SYSTEM

2396

(2)

Confirm that all diagnostic codes are ”OK” when the
check results are displayed.

If a code other than ”OK” is displayed, troubleshoot again.

(3)

Press the ”LAN Mon” switch to change to ”LAN
Monitor” mode.

(4)

Confirm that all diagnostic codes are ”No Err”.

If a code other than ”No Err” is displayed, troubleshoot again.