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The cause is probably a faulty radio with CD player power supply circuit system.
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- Damaged wiring harness or connector.
- Malfunction of the radio with CD player.
- Malfunction of the capacitor unit.
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Q.
Is radio with CD player connector B-15 in good condition?
Go to Step 2.
Repair or replace the damage component(s).
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- Check the earth line for open circuit.
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Q.
Are the wiring harnesses between radio with CD player connector B-15 (terminal 41)
and earth in good condition?
Go to Step 3.
Repair the wiring harness.
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Q.
Is radio with CD player connector B-13 in good condition?
Go to Step 4.
Repair or replace the damage component(s).
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(1)Disconnect radio with CD player connector B-13, and measure at the wiring harness side.
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(2)Measure the voltage between terminal 11 and earth. OK: System voltage
Q.
Is the check result normal?
Go to Step 6.
Go to Step 5.
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- Check the power supply line (battery power supply) for open circuit and short
circuit.
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Prior to the wiring harness inspection, check junction block connector B-208 and B-231,
and joint connector connectors B-24, and repair if necessary.
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Q.
Is the wiring harness between radio with CD player connector B-13 (terminal 11) and
fusible link (1) in good condition?
Go to Step 15.
Repair or replace the damage component(s).
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(1)Disconnect radio with CD player connector B-13, and measure at the wiring harness side. (2)Turn the ignition switch to "ACC" position.
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(3)Measure the voltage between terminal 10 and earth. OK: System voltage
Q.
Is the check result normal?
Go to Step 15.
Go to Step 7.
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Q.
Is capacitor unit connector C-40 in good condition?
Go to Step 8.
Repair or replace the damage component(s).
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- Check the power supply line (battery power supply) for open circuit and short
circuit.
Q.
Is the wiring harness between radio with CD player connector B-13 (terminal 10) and
capacitor unit connector C-40 (terminal 3) in good condition?
Go to Step 9.
Repair or replace the damage component(s).
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- Check the earth line for open circuit.
Q.
Are the wiring harnesses between capacitor unit connector C-40 (terminal 2) and earth
in good condition?
Go to Step 10.
Repair or replace the damage component(s).
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(1)Disconnect capacitor unit connector C-40, and measure at the wiring harness side. (2)Turn the ignition switch to "ACC" position.
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(3)Measure the voltage between terminal 1 and earth. OK: System voltage
Q.
Is the check result normal?
Go to Step 12.
Go to Step 11.
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- Check the power supply line (battery power supply) for open circuit and short
circuit.
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Prior to the wiring harness inspection, check junction block connector B-229 and B-231,
and repair if necessary.
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Q.
Is the wiring harness between capacitor unit connector C-40 (terminal 1) and ignition
switch ACC in good condition?
Troubleshoot the ignition switch. Refer to .
Repair or replace the damage component(s).
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(1)Disconnect capacitor unit connector C-40, and measure at the wiring harness side. (2)Turn the ignition switch to "ACC" position.
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(3)Measure the voltage between terminal 4 and earth. OK: System voltage
Q.
Is the check result normal?
Go to Step 14.
Go to Step 13.
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- Check the power supply line (battery power supply) for open circuit and short
circuit.
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| note |
Prior to the wiring harness inspection, check junction block connector B-229 and B-231,
and repair if necessary.
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Q.
Is the wiring harness between capacitor unit connector C-40 (terminal 4) and ignition
switch ACC in good condition?
Troubleshoot the ignition switch. Refer to .
Repair or replace the damage component(s).
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(1)Remove the capacitor unit. (2)Connect the terminal 4 and terminal 3 of the capacitor unit connector C-40 using
a jumper cable or a similar material. (3) Turn the ignition switch to the "ACC" position, and check the radio with CD player
for operation.
Q.
Is the check result normal?
Replace the capacitor unit.
Go to Step 15.
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(1)Turn the ignition switch to "ACC" position.
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(2)Turn ON the radio with CD player power switch.
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Q.
Is it possible to put the radio with CD player power in the "ON" position?
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The trouble can be an intermittent malfunction (Refer to GROUP 00, How to Cope
with Intermittent Malfunction ).
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Replace the radio with CD player.
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