Inspection Procedure 1: Power of Radio and Tape Player does not Turn ON when the Ignition Switch is in the "ACC" Position or "ON" Position. <vehicles with tape player>












COMMENTS ON TROUBLE SYMPTOM


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

PROBABLE 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 power switch.

Q. Is the check result normal?
Go to Step 2.
Go to Step 5.

STEP 2. Connector check: D-252 radio and tape player connector.

Q. Is the check result normal?
Go to Step 3.
Repair or replace the component(s). If the power switch is turned on, the radio and tape player should operate normally.

STEP 3. Voltage measurement at D-252 radio and tape player connector.
(1)Disconnect D-252 radio and tape player connector, and measure at the wiring harness side.
(2)Turn the ignition switch to "ACC" position.
(3)Measure the voltage between terminal No.10 and body earth.
OK: System voltage

Q. Is the check result normal?
Go to Step 5.
Go to Step 4.

STEP 4. Check the harness wire between D-252 radio and tape player connector terminal No.10 and ignition switch (ACC).
note Prior to the wiring harness inspection, check intermediate connectors D-238 and D-241, and repair if necessary.

Q. Is the check result normal?
Go to Step 5.
Repair or replace the damage component(s). If the power switch is turned on, the radio and tape player should operate normally.

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

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