Navigation System

NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: 01-DD: Master Reset

DTC 01-DD - Master Reset

DTC 01-E1 - Voice Processing Device ON Error

DESCRIPTION





HINT:
- *1: This code may be stored if the engine started, idled for 60 seconds and then the ignition switch is turned to the start position again.
- *2: Even if no fault is present, this trouble code may be stored depending on the battery condition or engine start voltage.

NOTICE:
- Before starting troubleshooting, be sure to clear DTCs to clear codes stored due to the reasons described in Hint above. Then, check for DTCs and troubleshoot according to the output DTCs.
- The navigation receiver assembly is the master unit.
- Be sure to clear and recheck DTCs after the inspection is completed to confirm that no DTCs are output.

INSPECTION PROCEDURE

NOTE: Be sure to read Description before performing the following procedures.

PROCEDURE

1. CHECK NAVIGATION RECEIVER ASSEMBLY POWER SOURCE CIRCUIT
(a) Refer to the navigation receiver assembly power source circuit Navigation Receiver Assembly Power Source Circuit.
If the power source circuit is operating normally, proceed to the next step.
NEXT -- Continue to next step.

2. INSPECT NAVIGATION RECEIVER ASSEMBLY





(a) Disconnect the I20 and I25* navigation receiver assembly connectors.

HINT: *: w/ Rear Seat Entertainment System

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





HINT: *: w/ Rear Seat Entertainment System
(c) Reconnect the navigation receiver assembly connectors.

NG -- REPLACE NAVIGATION RECEIVER ASSEMBLY
OK -- Continue to next step.

3. IDENTIFY COMPONENT WHICH HAS STORED THIS CODE





(a) Enter the diagnostic mode.
(b) Press the "LAN Mon" switch to change to "LAN Monitor" mode.
(c) Identify the component which has stored this code.

Component Table





HINT:
- "DSP-AMP" is the component which has stored this code in the example shown in the illustration.
- *: w/ Rear Seat Entertainment System

NEXT -- Continue to next step.

4. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER - COMPONENT WHICH HAS STORED THIS CODE)

HINT: For details of the connectors, refer to "Terminals of ECU" Pinout Values and Diagnostic Parameters.
(a) Referring to the AVC-LAN wiring diagram below, check the AVC-LAN circuit between the navigation receiver and the component which has stored this code.
(1) Disconnect all connectors between the navigation receiver and the component which has stored this code.
(2) Check for an open or short in the AVC-LAN circuit between the navigation receiver and the component which has stored this code.
OK:
There is no open or short circuit.









NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

5. REPLACE NAVIGATION RECEIVER ASSEMBLY
(a) Replace the navigation receiver assembly with a normal one Removal.
(b) Check if the same problem occurs again.
OK:
Same problem does not occur.

NG -- REPLACE COMPONENT WHICH HAS STORED THIS CODE
OK -- END