Toyota Tundra (2015 year). Manual — part 77

NAVIGATION: NAVIGATION SYSTEM: B15C3; Speaker Output Short...

NAVIGATION: NAVIGATION SYSTEM: B15C3; Speaker Output Short...

INSPECTION PROCEDURE

PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTCs

.

NAVIGATION: NAVIGATION SYSTEM: B15C3; Speaker Output Short...

A

(b) Check for DTCs

.

OK:

No DTCs are output.

NG

GO TO STEP 2

OK

USE SIMULATION METHOD TO CHECK

2.

CHECK VEHICLE CONDITION

(a) Check the vehicle condition.

Result

RESULT

PROCEED TO

for 4 Speakers

A

for 7 or 9 Speakers

B

for 12 Speakers

C

B

GO TO STEP 6

C

GO TO STEP 13

3.

CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)

*1: for RH Side

*2: for LH Side

(a) Disconnect the J133 navigation receiver assembly connector.

(b) Disconnect the M8*1 and/or N10*2 front No. 1 speaker assembly connector.

(c) Disconnect the J147*1 and/or J149*2 front No. 2 speaker assembly connector.

(d) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

TESTER CONNECTION

CONDITION

SPECIFIED CONDITION

J133-1 (FR+) - J147-3 (TWR+)

Always

Below 1 Ω

J133-5 (FR-) - J147-2 (TWR-)

Always

Below 1 Ω

NAVIGATION: NAVIGATION SYSTEM: B15C3; Speaker Output Short...