Dtc 01-D6 No Master (Navi)
DESCRIPTION
INSPECTION PROCEDURE
CHECK MULTI-DISPLAY POWER SOURCE CIRCUIT
CHECK AVC-LAN CIRCUIT BETWEEN NAVIGATION ECU AND MULTI-DISPLAY
CHECK NAVIGATION ECU POWER SOURCE CIRCUIT
REPLACE NAVIGATION ECU
DTC 01-D6 No Master (NAVI) |
DTC 01-D7 Connection Check Error (NAVI) |
DESCRIPTION
DTC NO.
| DTC Detection Condition
| Trouble Area
|
01-D6
*1
| When either of following conditions is met:
- Device that stores (stored) code has (had) been disconnected when engine switch is on (ACC) or on (IG)
- Master device has (had) been disconnected when this code is (was) stored
| - Wire harness
- Navigation ECU
- Multi-display
|
01-D7
*2
| When either of following conditions is met:
- Device that stored this code has (had) been disconnected after engine starts (started)
- Master device has (had) been disconnected when this code is (was) stored
|
- HINT:
- *1: Even if no failure is detected, a trouble code may be recorded depending on the battery condition or engine start voltage.
- *2: When 210 seconds have elapsed after disconnecting the power supply connector of the master component with the engine switch on (ACC or IG), this code is stored.
INSPECTION PROCEDURE
| 1.CHECK MULTI-DISPLAY POWER SOURCE CIRCUIT |
Refer to the "multi-display power source circuit" (Click here).If the power source circuit is operating normally, proceed to the next step.
| 2.CHECK AVC-LAN CIRCUIT BETWEEN NAVIGATION ECU AND MULTI-DISPLAY |
Refer to the "AVC-LAN circuit between navigation ECU and multi-display" (Click here).If the AVC-LAN circuit is operating normally, proceed to the next step.
| 3.CHECK NAVIGATION ECU POWER SOURCE CIRCUIT |
Refer to the "navigation ECU power source circuit" (Click here).If the power source circuit is operating normally, proceed to the next step.
Replace the navigation ECU with a normal one and check if the same problem occurs again.
- OK:
- Same problem does not occur.