Range Rover 2. Electrical Manual - part 40

RADIO

E6

28

TROUBLESHOOTING

C768L

C768L

Z241
Left Front Door
Speaker Amplifier

Z241
Left Front Door
Speaker Amplifier

Radio

Less than 1 ohm

Test H

OK

OK

PROBLEM CAUSE

OK

OK

3H

1H

2H

CONDITIONS

Ignition Switch

Position: I

RESULTS

BAT VOLT

P, PB, SB

CONDITIONS

Ignition Switch

Position: 0

RESULTS

Wire

-

D

D

2H

Fuse F9

PROBLEM CAUSE

B Wire

-

On

D

V

-

P

P

P

SB

B

Left Front Door
Outstation

-

RADIO

E6

29

TROUBLESHOOTING

C224B

C224B

C768L

Y

C768L

YB

YB

Z111
Radio

Z241
Left Front Door
Speaker Amplifier

Z111
Radio

Z241
Left Front Door
Speaker Amplifier

0

0

OK

OK

PROBLEM CAUSE

OK

OK

3H

4H

CONDITIONS

Ignition Switch

Position: 0

RESULTS

YB

CONDITIONS

Ignition Switch

Position: 0

RESULTS

Wire

-

D

D

4H

2H

PROBLEM CAUSE

Y Wire

-

PROBLEM CAUSE

Radio

----

Left Front Door
Speaker Amplifier

-

Y

RADIO

E6

30

TROUBLESHOOTING

P

SB

C768R

C768R

B

Z242
Right Front Door
Speaker Amplifier

Z242
Right Front Door
Speaker Amplifier

Radio

Less than 1 ohm

Test I

OK

OK

PROBLEM CAUSE

OK

OK

3I

1I

2I

CONDITIONS

Ignition Switch

Position: I

RESULTS

BAT VOLT

P, PB, SB

CONDITIONS

Ignition Switch

Position: 0

RESULTS

Wire

-

D

D

2I

Fuse F9

PROBLEM CAUSE

B Wire

-

On

D

V

-

Right Front Door
Outstation

-

RADIO

E6

31

TROUBLESHOOTING

Y

C768R

Z111
Radio

Z242
Right Front Door
Speaker Amplifier

Z242
Right Front Door
Speaker Amplifier

Z111
Radio

0

0

OK

OK

PROBLEM CAUSE

OK

OK

3I

4I

CONDITIONS

Ignition Switch

Position: 0

RESULTS

RB, YB

CONDITIONS

Ignition Switch

Position: 0

RESULTS

Wire

-

D

D

4I

2I

PROBLEM CAUSE

R, Y Wire

-

PROBLEM CAUSE

Radio

----

Right Front Door
Speaker Amplifier

-

YB

C768R

RB

C224B

R

C224B