Toyota Tundra (2015 year). Manual — part 79
A
B
REPLACE FRONT NO. 1 SPEAKER ASSEMBLY
C
REPLACE FRONT NO. 1 SPEAKER ASSEMBLY
8.
CHECK FRONT NO. 2 SPEAKER ASSEMBLY
(a) Replace the front No. 2 speaker assembly with a known good one.
for Double Cab:
for CrewMax:
(b) Check that the malfunction disappears.
NOTICE:
Connect all the connectors to the front No. 2 speaker assemblies that were disconnected.
Connect all the connectors to the front No. 2 speaker assemblies that were disconnected.
Perform the above inspection on both LH and RH sides.
OK:
Malfunction disappears.
NG
GO TO STEP 9
OK
END (FRONT NO. 2 SPEAKER ASSEMBLY IS
DEFECTIVE)
9.
CHECK FRONT NO. 4 SPEAKER ASSEMBLY
(a) Replace the front No. 4 speaker assembly with a known good one.
for Double Cab:
for CrewMax:
(b) Check that the malfunction disappears.
OK:
Malfunction disappears.
NG
GO TO STEP 10
OK
END (FRONT NO. 4 SPEAKER ASSEMBLY IS
DEFECTIVE)
NAVIGATION: NAVIGATION SYSTEM: B15C3; Speaker Output Short...
A
10.
CHECK REAR NO. 1 SPEAKER ASSEMBLY
(a) Remove the rear No. 1 speaker assembly with a known good one.
for Double Cab:
for CrewMax:
(b) Inspect the rear No. 1 speaker assembly with a known good one.
for Double Cab:
for CrewMax:
Result
RESULT
PROCEED TO
OK (for CrewMax)
A
OK (for Double Cab)
B
NG (for Double Cab)
C
NG (for CrewMax)
D
B
GO TO STEP 12
C
REPLACE REAR NO. 1 SPEAKER ASSEMBLY
D
REPLACE REAR NO. 1 SPEAKER ASSEMBLY
11.
CHECK REAR NO. 2 SPEAKER ASSEMBLY
(a) Replace the rear No. 2 speaker assembly with a known good one
.
(b) Check that the malfunction disappears.
NOTICE:
Connect all the connectors to the rear No. 2 speaker assemblies that were disconnected.
Connect all the connectors to the rear No. 2 speaker assemblies that were disconnected.
Perform the above inspection on both LH and RH sides.
OK:
Malfunction disappears.
NG
GO TO STEP 12
OK
END (FRONT NO. 2 SPEAKER ASSEMBLY IS
NAVIGATION: NAVIGATION SYSTEM: B15C3; Speaker Output Short...
DEFECTIVE)
12.
CHECK STEREO COMPONENT AMPLIFIER ASSEMBLY
(a) Replace the stereo component amplifier assembly with a known good one
.
(b) Check that the malfunction disappears.
OK:
Malfunction disappears.
Result
RESULT
PROCEED TO
OK
A
NG (for Double Cab)
B
NG (for CrewMax)
C
B
REPLACE NAVIGATION RECEIVER ASSEMBLY
C
REPLACE NAVIGATION RECEIVER ASSEMBLY
A
END (STEREO COMPONENT AMPLIFIER ASSEMBLY IS
DEFECTIVE)
13.
CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)
*1: for RH Side
*2: for LH Side
(a) Disconnect the M8*1 and/or N10*2 front No. 1 speaker assembly connector.
(b) Disconnect the J146*1 and/or J148*2 front No. 2 speaker assembly connector.
(c) Disconnect the M1*1 and/or N1*2 front No. 3 speaker assembly connector.
(d) Disconnect the J150 front No. 4 speaker assembly connector.
(e) Disconnect the O1*1 and/or O7*2 rear No. 1 speaker assembly connector.
(f) Disconnect the O2*1 and/or O8*2 rear No. 2 speaker assembly connector.
(g) Disconnect the P14 No. 1 box speaker assembly connector.
(h) Disconnect the J142 and J143 stereo component amplifier assembly connectors.
(i) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NAVIGATION: NAVIGATION SYSTEM: B15C3; Speaker Output Short...
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
J142-2 (FR+) - J146-3 (TWR+)
Always
Below 1 Ω
J142-6 (FR-) - J146-4 (TWR-)
Always
Below 1 Ω
J146-1 (+) - M1-3
Always
Below 1 Ω
J146-2 (-) - M1-2
Always
Below 1 Ω
J143-9 (WFR+) - M8-1
Always
Below 1 Ω
J143-3 (WFR-) - M8-2
Always
Below 1 Ω
J142-10 (RR+) - O2-3 (+TW)
Always
Below 1 Ω
J142-4 (RR-) - O2-2 (-TW)
Always
Below 1 Ω
O2-4 (+) - O1-2
Always
Below 1 Ω
O2-1 (-) - O1-1
Always
Below 1 Ω
J142-5 (WF1+) - P14-1
Always
Below 1 Ω
J142-12 (WF1-) - P14-2
Always
Below 1 Ω
J142-3 (RL+) - O8-3 (+TW)
Always
Below 1 Ω
J142-9 (RL-) - O8-2 (-TW)
Always
Below 1 Ω
O8-4 (+) - O7-1
Always
Below 1 Ω
O8-1 (-) - O7-2
Always
Below 1 Ω
J143-2 (WFL+) - N10-1
Always
Below 1 Ω
J143-1 (WFL-) - N10-2
Always
Below 1 Ω
J142-8 (FL+) - J148-3 (TWL+)
Always
Below 1 Ω
J142-7 (FL-) - J148-4 (TWL-)
Always
Below 1 Ω
J148-1 (+) - N1-3
Always
Below 1 Ω
J148-2 (-) - N1-2
Always
Below 1 Ω
J143-4 (CTR+) - J150-1
Always
Below 1 Ω
J143-10 (CTR-) - J150-2
Always
Below 1 Ω
J142-2 (FR+) - Body ground
Always
10 kΩ or higher
J142-6 (FR-) - Body ground
Always
10 kΩ or higher
J146-1 (+) - Body ground
Always
10 kΩ or higher
J146-2 (-) - Body ground
Always
10 kΩ or higher
J143-9 (WFR+) - Body ground
Always
10 kΩ or higher
J143-3 (WFR-) - Body ground
Always
10 kΩ or higher
J142-10 (RR+) - Body ground
Always
10 kΩ or higher
J142-4 (RR-) - Body ground
Always
10 kΩ or higher
O2-4 (+) - Body ground
Always
10 kΩ or higher
O2-1 (-) - Body ground
Always
10 kΩ or higher
J142-5 (WF1+) - Body ground
Always
10 kΩ or higher
NAVIGATION: NAVIGATION SYSTEM: B15C3; Speaker Output Short...
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