Checking Program
| Trouble Code | Trouble Code Storage when... | |
|---|---|---|
| 86 | Trouble code is stored if the master request line (MRQ) has a short circuit to battery +, Ter. 30 or is interrupted. | |
| Notes on Trouble-shooting: | Nominal Value: | Cause of Fault: |
| (If nominal value is not attained) |
· Disconnect battery.
· Remove TID.
· Disconnect plug from TID.
· Remove radio
| · Measure resistance between TID plug Ter. 10 and Ter. 1: | ¥ | · Wiring harness defective (check contact springs of wiring harness connection) |
· Short circuit in wiring harness to vehicle voltage supply (Ter. 30)
· Measure resistance between TID plug Ter. 10 and Ter. 5:
| ¥ | · Short circuit in wiring harness to vehicle voltage supply (Ter. 15) | |
|---|---|---|
| · Measure resistance between TID plug Ter. 10 and Ter. 8: | ¥ | · Short circuit in wiring harness to vehicle voltage supply (Ter. AA) |
| · Measure resistance between TID plug Ter. 10 and radio plug Ter. MRQ: | less than 1 | · Interruption in line from TID plug Ter. 10 to radio plug Ter. MRQ. |
· Install TID.
· Install radio.
| · Connect battery. | ||
|---|---|---|
| · Switch on radio: | No trouble code | · Radio defective |
or
· TID defective