(b)

Confirm the open circuit between radio control wiring harness
connector IP33 terminal No.7 and fuse IF8 repair is
completed.

Confirm whether the radio control is working correctly.

Yes

System normal

No

Step 5

Check the radio control ground.

1
6 7 8

9 10 11 12

2 3

4 5

Receiver 1 Harness Connector IP33

FE11-5103b

(a)

Measure resistance between radio control wiring harness
connector IP33 terminals No.1,10 and the ground.
Standard Resistance: Less than 1 Ω

Is the resistance specified value?

Yes

Go to step 7

No

Step 6

Repair the open circuit between radio control harness connector IP33 and the ground.

(a)

Confirm the open circuit between the radio control wiring
harness connector IP33 terminals No.1,10 respectively and
the body repair is completed.

Confirm whether the radio is working correctly.

Yes

System normal

No

Step 7

Replace the radio control.

(a)

Refer to 

11.2.7.5

 

Radio Control Replacement

.

Confirm whether the radio is working correctly.

Next

Step 8

System normal.

Body Electric

Audio Entertainment System

11-21

11.2.6.4 Radio Control Can Be Turned On But The Speakers Are Inoperative

Schematic:

RL-

FL+

FR+

FL-

FR-

RR-

RL+

RR+

8

3

7

1

2

4

IP32

SO32

SO32

IP32

10

B

B

A

A

IP32

DR09

DR04

DR09

DR04

IP32

5

1

2

1

IP32

SO31

SO31

IP32

2

6

B

B

A

A

IP32

DR19

DR14

DR19

DR14

IP32

Left Rear 

Speaker

Right Rear 

Speaker

Receiver

Left Front 

Door Speaker

Left Front 

Tweeter

Right Front 

Door Speaker

Right Front 

Tweeter

FE11-5105b

Diagnostic Steps:

Step 1

Turn on the radio control.

(a)

Operate the radio control master control panel, adjust the
channel, so that front and rear and left and right channels are
in the middle.

Confirm whether all the speakers are inoperative.

No

Go to step 4

Yes

Step 2

Measure the resistance between radio control harness connector IP32 audio output and ground.

11-22

Audio Entertainment System

Body Electric

1
4

2

5 6 7 8

3

Receiver 2 Harness Connector IP32

FE11-5106b

(a)

Remove the radio control.

(b)

Disconnect the radio control harness connector IP32.

(c)

Measure resistance between radio control wiring harness
connector IP32 all audio output terminals and the ground with
a multimeter.
Standard Resistance: 10 kΩ or higher

Is the resistance specified value?

Yes

Go to step 8

No

Step 3

Repair the short circuit between radio control harness connector IP32 all audio terminals and body ground.

(a)

Confirm the short circuit between radio control harness
connector IP32 all audio terminals and body ground repair is
completed.

Confirm whether the radio is working correctly.

Yes

System normal

No

Go to step 8

Step 4

Check the inoperative speaker circuit.

1
4

2

5 6 7 8

3

Receiver 2 Harness Connector IP32

FE11-5106b

(a)

Disconnect the radio control harness connector IP32.

(b)

Measure the speaker resistance through the wiring harness
connector IP32 with a multimeter.

Standard Resistance

Test Speakers

Test Terminal

Standard

Resistance

Left Rear Speaker

3.5-4.5 Ω

Right Rear
Speaker

3.5-4.5 Ω

Left Front Door
Tweeter

3.5-4.5 Ω

Driver Door
Speaker

3.5-4.5 Ω

Left Front Door
Tweeter

3.5-4.5 Ω

Passenger Door
Speaker

3.5-4.5 Ω

Confirm the resistances are normal.

Body Electric

Audio Entertainment System

11-23

Yes

Go to step 7

No

Step 5

Check for speaker open circuit.

1

2

B

A

B A

Front Door Speaker 
Harness Connector 
DR09/19

Rear Door Speaker 
Harness Connector 
SO32/31

Tweeter Harness 
Connector DR04/14

FE11-5107b

(a)

Disconnect radio control harness connector IP32.

(b)

Disconnect the inoperative speaker connector.

(c)

Listed in the following table, measure inoperative speaker
connector terminal with a multimeter.

Location

Multimeter Connection

Specified

Conditions

Left Rear
Speaker

Less than 1

Ω

Right Rear
Speaker

Less than 1

Ω

Left Front
Door Tweeter

Door wiring harness
connector DR04 terminals
B, A and the instrument
harness connector IP32
terminals No.7,3.

Less than 1

Ω

Right Front
Door Tweeter

Door wiring harness
connector DR14 terminals
B, A and the instrument
harness connector IP32
terminals No.6,2.

Less than 1

Ω

Driver Door
Speaker

Door wiring harness
connector DR09 terminals
B, A and the instrument
harness connector IP32
terminals No.7,3.

Less than 1

Ω

Passenger
Door Speaker

Floor wiring harness
connector DR19 terminals
B, A and the instrument
harness connector IP32
terminals No.6,2.

Less than 1

Ω

(d)

Confirm the open circuit repair is completed.

Confirm the radio is working properly.

Yes

System normal

No

Step 6

Check the speaker.

(a)

Measure speaker terminals.
Standard Resistance: 3.5-4.5 Ω

11-24

Audio Entertainment System

Body Electric