Inspection Procedure 1: Power of radio and tape player or CD player does not turn ON when the ignition switch is in the "ACC" position or "ON" position.




COMMENTS ON TROUBLE SYMPTOM


The cause is probably a faulty radio and tape player or CD player power supply circuit system.

POSSIBLE CAUSES



DIAGNOSIS PROCEDURE

Step 1. Check to see that the power turns ON when the power switch is turned ON.
(1)Turn the ignition switch to "ACC" position.
(2)Turn ON the radio and tape player or CD player power switch.

Q. Is it possible to put the radio and tape player or CD player power in the "ON" position?
Go to Step 2.
Go to Step 5.

Step 2. Connector check: radio and tape player or CD player connector C-20.



Q. Is radio and tape player or CD player connector C-20 in good condition?

Go to Step 3.

Repair or replace the component(s). If the power switch is turned on, the radio and tape player or CD player should operate normally.

Step 3. Voltage measurement at radio and tape player or CD player connector C-20 in order to check the battery circuit of power supply system to the radio and tape player or CD player (ignition switch ACC).



(1)Disconnect radio and tape player or CD player connector C-20, and measure at the wiring harness side.
(2)Turn the ignition switch to "ACC" position.

(3)Measure the voltage between terminal 10 and earth.
OK: Battery positive voltage

Q. Is the check result normal?

Go to Step 5.

Go to Step 4.

Step 4. Check the wiring harness between radio and tape player or CD player connector C-20 (terminal 10) and ignition switch (ACC).





note Prior to the wiring harness inspection, check joint connector C-32 <LH drive vehicles> and intermediate connectors C-125, and repair if necessary.

Q. Are the wiring harnesses between radio and tape player or CD player connector C-20 (terminal 10) and ignition switch (ACC) in good condition?

Go to Step 5.

Repair or replace the damage component(s). If the power switch is turned on, the radio and tape player or CD player should operate normally.

Step 5. Check the assembling state of the radio and tape player or CD player.
note The radio and tape player or CD player is earthed to the instrument panel centre reinforcement directly.

Q. Is the radio and tape player or CD player installed correctly?
Repair or replace the radio and tape player or CD player. If the power switch is turned on, the radio and tape player or CD player should operate normally.
Install properly. If the power switch is turned on, the radio and tape player or CD player should operate normally.