NAVIGATION SYSTEM(for Radio and Display Type), Diagnostic DTC:B15C3
| DTC Code | DTC Name |
|---|---|
| B15C3 | Speaker Output Short |
DESCRIPTION
This DTC is stored when a malfunction occurs in the speakers.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
B15C3 |
Speaker Output Short |
A short is detected in the speaker output circuit. |
|
*: w/ Telematics Transceiver
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Check that the wire harness is properly installed and does not have any sharp bends, pinching or loose connections.
When replacing telematics transceiver, perform the vehicle contract setting.
PROCEDURE
CHECK FOR DTC
Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs
Check for DTCs.
Body Electrical > Navigation System > Trouble Codes
OK
No DTCs are output.
Result
Proceed to
OK
NG
CHECK VEHICLE CONDITION
Check the vehicle condition.
Result
Result
Proceed to
w/ Telematics Transceiver
A
w/o Telematics Transceiver
B
B CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)Click here
CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)
*1: for LH Side
*2: for RH Side
Disconnect the G141 and G142 radio and display receiver assembly connectors.
Disconnect the J1*1 and/or I1*2 front No. 1 speaker assembly connector.
Disconnect the H1*1 and/or H3*2 front No. 2 speaker assembly connector.
Disconnect the L2*1 and/or K2*2 rear speaker assembly connector.
Disconnect the M38 telematics transceiver connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Table 1. for LH Side Tester Connection
Condition
Specified Condition
G141-2 (FL+) - H1-4 (TWL+)
Always
Below 1 Ω
G141-6 (FL-) - H1-2 (TWL-)
Always
Below 1 Ω
H1-3 (+) - J1-1
Always
Below 1 Ω
H1-1 (-) - J1-2
Always
Below 1 Ω
G142-2 (RL+) - L2-1
Always
Below 1 Ω
G142-6 (RL-) - L2-2
Always
Below 1 Ω
G141-2 (FL+) - Body ground
Always
10 kΩ or higher
G141-6 (FL-) - Body ground
Always
10 kΩ or higher
G142-2 (RL+) - Body ground
Always
10 kΩ or higher
G142-6 (RL-) - Body ground
Always
10 kΩ or higher
H1-3 (+) - Body ground
Always
10 kΩ or higher
H1-1 (-) - Body ground
Always
10 kΩ or higher
Table 2. for RH Side Tester Connection
Condition
Specified Condition
G141-1 (FR+) - H3-4 (TWR+)
Always
Below 1 Ω
G141-5 (FR-) - H3-2 (TWR-)
Always
Below 1 Ω
H3-3 (+) - M38-2 (SPI+)
Always
Below 1 Ω
H3-1 (-) - M38-3 (SPI-)
Always
Below 1 Ω
M38-5 (SPO+) - I1-1
Always
Below 1 Ω
M38-6 (SPO-) - I1-2
Always
Below 1 Ω
G142-1 (RR+) - K2-1
Always
Below 1 Ω
G142-3 (RR-) - K2-2
Always
Below 1 Ω
G141-1 (FR+) - Body ground
Always
10 kΩ or higher
G141-5 (FR-) - Body ground
Always
10 kΩ or higher
M38-5 (SPO+) - Body ground
Always
10 kΩ or higher
M38-6 (SPO-) - Body ground
Always
10 kΩ or higher
G142-1 (RR+) - Body ground
Always
10 kΩ or higher
G142-3 (RR-) - Body ground
Always
10 kΩ or higher
H3-3 (+) - Body ground
Always
10 kΩ or higher
H3-1 (-) - Body ground
Always
10 kΩ or higher
Result
Proceed to
OK
NG
NG REPAIR OR REPLACE HARNESS OR CONNECTOR
INSPECT TELEMATICS TRANSCEIVER
Remove the telematics transceiver.
-
*a
Component without harness connected
(Telematics Transceiver)
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
2 (SPI+) - 5 (SPO+)
Always
Below 1 Ω
3 (SPI-) - 6 (SPO-)
Always
Below 1 Ω
2 (SPI+) - 3 (SPI-)
Always
10 kΩ or higher
5 (SPO+) - 6 (SPO-)
Always
10 kΩ or higher
2 (SPI+) or 5 (SPO+) - Body ground
Always
10 kΩ or higher
3 (SPI-) or 6 (SPO-) - Body ground
Always
10 kΩ or higher
Result
Proceed to
OK
NG
OK INSPECT FRONT NO. 1 SPEAKER ASSEMBLYClick here
CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)
*1: for LH Side
*2: for RH Side
Disconnect the G141 and G142 radio and display receiver assembly connectors.
Disconnect the J1*1 and/or I1*2 front No. 1 speaker assembly connector.
Disconnect the H1*1 and/or H3*2 front No. 2 speaker assembly connector.
Disconnect the L2*1 and/or K2*2 rear speaker assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Table 3. for LH Side Tester Connection
Condition
Specified Condition
G141-2 (FL+) - H1-4 (TWL+)
Always
Below 1 Ω
G141-6 (FL-) - H1-2 (TWL-)
Always
Below 1 Ω
H1-3 (+) - J1-1
Always
Below 1 Ω
H1-1 (-) - J1-2
Always
Below 1 Ω
G142-2 (RL+) - L2-1
Always
Below 1 Ω
G142-6 (RL-) - L2-2
Always
Below 1 Ω
G141-2 (FL+) - Body ground
Always
10 kΩ or higher
G141-6 (FL-) - Body ground
Always
10 kΩ or higher
G142-2 (RL+) - Body ground
Always
10 kΩ or higher
G142-6 (RL-) - Body ground
Always
10 kΩ or higher
H1-3 (+) - Body ground
Always
10 kΩ or higher
H1-1 (-) - Body ground
Always
10 kΩ or higher
Table 4. for RH Side Tester Connection
Condition
Specified Condition
G141-1 (FR+) - H3-4 (TWR+)
Always
Below 1 Ω
G141-5 (FR-) - H3-2 (TWR-)
Always
Below 1 Ω
H3-3 (+) - I1-1
Always
Below 1 Ω
H3-1 (-) - I1-2
Always
Below 1 Ω
G142-1 (RR+) - K2-1
Always
Below 1 Ω
G142-3 (RR-) - K2-2
Always
Below 1 Ω
G141-1 (FR+) - Body ground
Always
10 kΩ or higher
G141-5 (FR-) - Body ground
Always
10 kΩ or higher
G142-1 (RR+) - Body ground
Always
10 kΩ or higher
G142-3 (RR-) - Body ground
Always
10 kΩ or higher
H3-3 (+) - Body ground
Always
10 kΩ or higher
H3-1 (-) - Body ground
Always
10 kΩ or higher
Result
Proceed to
OK
NG
NG REPAIR OR REPLACE HARNESS OR CONNECTOR
INSPECT FRONT NO. 1 SPEAKER ASSEMBLY
Remove the front No. 1 speaker assembly connector.
Inspect the front No. 1 speaker assembly.
Result
Proceed to
OK
NG
CHECK FRONT NO. 2 SPEAKER ASSEMBLY
Replace the front No. 2 speaker assembly with a known good one.
Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs
Check for DTCs and check if the same DTCs is output.
Body Electrical > Navigation System > Trouble Codes
Note:Connect all the connectors that were disconnected to the front No. 2 speaker assemblies.
Perform the above inspection on both LH and RH sides.
OK
No DTCs are output.
Result
Proceed to
OK
NG
OK END (FRONT NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE)
INSPECT REAR SPEAKER ASSEMBLY
Remove the rear speaker assembly connector.
Inspect the rear speaker assembly.
Result
Proceed to
OK
NG