GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 1999 🢒 Isuzu MD Steel Tilt (F Model) 🢒 Body and Accessories 🢒 Entertainment 🢒 Radio Memory Inoperative

Radio Does Not Retain Stations in Memory and Clock Does Not Operate

Step

Action

Value(s)

Yes

No

1
  1. Disconnect the radio connector.
  2. Connect an unpowered test lamp between radio connector terminal 11 for CKT 350 (ORN) and ground.

Does the test lamp light?

--

Go to Step 3

Go to Step 2

2

Locate and repair the open in CKT 350 (ORN) between the IP fuse block and the radio.

Is the malfunction still present?

--

Go to Step 3

System OK

3
  1. Connect a test lamp between radio connector terminal 11 for CKT 350 (ORN) and ground.
  2. Place the ignition switch in the RUN position.

Does the test lamp light?

--

Go to Step 5

Go to Step 4

4

Locate and repair the open in CKT 350 (ORN) between the IP fuse block and the radio.

Is the malfunction still present?

--

Go to Step 5

System OK

5

Remove the radio and send the radio in for repair.

Is the repair complete?

--

System OK

--