Speaker Circuit
NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (w/o USB Audio System): Speaker Circuit
- Speaker Circuit
DESCRIPTION
The navigation receiver assembly sends sound signals to the speakers.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. CHECK SPEAKER
(a) Check which speakers are malfunctioning.
Result
B -- CHECK REAR SIDE SPEAKER
A -- Continue to next step.
2. CHECK FRONT SIDE SPEAKER
(a) Check which speakers are malfunctioning.
Result
B -- INSPECT FRONT NO. 1 SPEAKER ASSEMBLY
A -- Continue to next step.
3. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY
(a) Disconnect the I11*1 and/or I13*2 front No. 2 speaker assembly connector.
*1: for RH
*2: for LH
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
for RH
for LH
NG -- REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Removal
OK -- Continue to next step.
4. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER - FRONT NO. 2 SPEAKER)
(a) Disconnect the I26 navigation receiver assembly connector.
(b) Disconnect the I11*1 and/or I13*2 front No. 2 speaker assembly connector.
*1: for RH
*2: for LH
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
for RH
for LH
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE NAVIGATION RECEIVER ASSEMBLY Removal
5. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY
(a) Disconnect the L8*1 and/or M10*2 front No. 1 speaker assembly connector.
*1: for RH
*2: for LH
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NG -- REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Removal
OK -- Continue to next step.
6. CHECK HARNESS AND CONNECTOR (FRONT NO. 2 SPEAKER - FRONT NO. 1 SPEAKER)
*1: for RH
*2: for LH
(a) Disconnect the I11*1 and/or I13*2 front No. 2 speaker assembly connector.
(b) Disconnect the L8*1 and/or M10*2 front No. 1 speaker assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
for RH
for LH
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE NAVIGATION RECEIVER ASSEMBLY Removal
7. CHECK REAR SIDE SPEAKER
(a) Check which speakers are malfunctioning.
Result
B -- INSPECT REAR NO. 1 SPEAKER ASSEMBLY
A -- Continue to next step.
8. INSPECT QUARTER SIDE SPEAKER ASSEMBLY
(a) Disconnect the O37*1 and/or O31*2 quarter side speaker assembly connector.
*1: for RH
*2: for LH
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NG -- REPLACE QUARTER SIDE SPEAKER ASSEMBLY Removal
OK -- Continue to next step.
9. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER - QUARTER SIDE SPEAKER)
(a) Disconnect the I27 navigation receiver assembly connector.
(b) Disconnect the O37*1 and/or O31*2 quarter side speaker assembly connector.
*1: for RH
*2: for LH
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
for RH
for LH
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE NAVIGATION RECEIVER ASSEMBLY Removal
10. INSPECT REAR NO. 1 SPEAKER ASSEMBLY
(a) Disconnect the N1*1 and/or N7*2 rear No. 1 speaker assembly connector.
*1: for RH
*2: for LH
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NG -- REPLACE REAR NO. 1 SPEAKER ASSEMBLY Removal
OK -- Continue to next step.
11. CHECK HARNESS AND CONNECTOR (QUARTER SIDE SPEAKER - REAR NO. 1 SPEAKER)
*1: for RH
*2: for LH
(a) Disconnect the O37*1 and/or O31*2 quarter side speaker assembly connector.
(b) Disconnect the N1*1 and/or N7*2 rear No. 1 speaker assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
for RH
for LH
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE NAVIGATION RECEIVER ASSEMBLY Removal