Problem Symptoms Table
HINT:
- Before inspecting the suspected areas listed in the table below, check the fuse and relay.
- Before inspecting the suspected areas listed in the table below, check the DTCs.
- Methods used to verify the cause of the problem are listed in order of probability in the suspected area column.
Display function:
PROBLEM SYMPTOMS TABLE (DISPLAY FUNCTION)
Navigation function:
PROBLEM SYMPTOMS TABLE (NAVIGATION FUNCTION)
| Symptom | Suspected Area | See |
|---|---|---|
| Map disc cannot be inserted. | 1. Proceed to "MAP DISC CANNOT BE INSERTED " | MAP DISC CANNOT BE INSERTED |
| 2. Navigation ECU power source circuit | NAVIGATION ECU POWER SOURCE CIRCUIT | |
| 3. Navigation ECU | REMOVAL | |
| Map disc cannot be ejected. | 1. Proceed to "MAP DISC CANNOT BE EJECTED " | MAP DISC CANNOT BE EJECTED |
| 2. Navigation ECU power source circuit | NAVIGATION ECU POWER SOURCE CIRCUIT | |
| 3. Navigation ECU | REMOVAL | |
| Vehicle position mark deviates greatly. | 1. Proceed to "VEHICLE POSITION MARK DEVIATES GREATLY " | VEHICLE POSITION MARK DEVIATES GREATLY |
| 2. GPS antenna | - | |
| 3. Navigation ECU | REMOVAL | |
| Cursor or map rotates when vehicle is stopped. | 1. Proceed to "CURSOR OR MAP ROTATES WHEN VEHICLE IS STOPPED " | CURSOR OR MAP ROTATES WHEN VEHICLE STOPPED |
| 2. Navigation ECU | REMOVAL | |
| Vehicle position mark is not updated. | 1. Proceed to "VEHICLE POSITION MARK IS NOT UPDATED " | VEHICLE POSITION MARK IS NOT UPDATED |
| 2. Map disc | - | |
| 3. Navigation ECU | REMOVAL | |
| Current position display does not appear. | 1. Proceed to "CURRENT POSITION DISPLAY DOES NOT APPEAR " | CURRENT POSITION DISPLAY DOES NOT APPEAR |
| 2. Map disc | - | |
| 3. GPS antenna | - | |
| 4. Navigation ECU | REMOVAL | |
| GPS mark is not displayed. | 1. Proceed to "GPS MARK IS NOT DISPLAYED " | GPS MARK IS NOT DISPLAYED |
| 2. GPS antenna | - | |
| 3. Navigation ECU | REMOVAL | |
| Voice guidance does not function. | 1. Proceed to "VOICE GUIDANCE DOES NOT FUNCTION " | VOICE GUIDANCE DOES NOT FUNCTION |
| 2. Navigation voice circuit | NAVIGATION VOICE CIRCUIT | |
| 3. Map disc | - | |
| 4. Navigation ECU | REMOVAL | |
| 5. Multi-display | MULTI-DISPLAY | |
| 6. Stereo component amplifier | REMOVAL | |
| Map display incomplete. | 1. Proceed to "MAP DISPLAY INCOMPLETE " | MAP DISPLAY INCOMPLETE |
| 2. Map disc | - | |
| 3. Navigation ECU | REMOVAL | |
| Route cannot be calculated. | 1. Proceed to "ROUTE CANNOT BE CALCULATED " | ROUTE CANNOT BE CALCULATED |
| 2. Map disc | - | |
| 3. Navigation ECU | REMOVAL | |
| Voice recognition difficulty. | 1. Proceed to "VOICE RECOGNITION DIFFICULTY " | VOICE RECOGNITION DIFFICULTY |
| 2. Navigation ECU | REMOVAL | |
| 3. Multi-display | MULTI-DISPLAY | |
| Voice is not recognized. | 1. Proceed to "VOICE IS NOT RECOGNIZED " | VOICE IS NOT RECOGNIZED |
| 2. Proceed to "MICROPHONE CIRCUIT BETWEEN OVERHEAD J/B AND MULTI-DISPLAY " | MICROPHONE CIRCUIT BETWEEN OVERHEAD J/B AND MULTI-DISPLAY | |
| 3. Proceed to "MICROPHONE CIRCUIT BETWEEN MULTI-DISPLAY AND NAVIGATION ECU " | MICROPHONE CIRCUIT BETWEEN MULTI-DISPLAY AND NAVIGATION ECU | |
| 4. Steering pad switch circuit | STEERING PAD SWITCH CIRCUIT | |
| 5. Microphone | MICROPHONE | |
| 6. Microphone amplifier | MICROPHONE AMPLIFIER | |
| 7. Navigation ECU | REMOVAL | |
| Speed signal does not change in the navigation check mode. | Proceed to "VEHICLE SPEED SIGNAL CIRCUIT BETWEEN NAVIGATION ECU AND COMBINATION METER " | VEHICLE SPEED SIGNAL CIRCUIT BETWEEN NAVIGATION ECU AND COMBINATION METER |
| Reverse signal does not change in the navigation check mode. | Reverse signal circuit | REVERSE SIGNAL CIRCUIT |
Steering pad switch function:
PROBLEM SYMPTOMS TABLE (STEERING PAD SWITCH FUNCTION)
| Symptom | Suspected Area | See |
|---|---|---|
| The system cannot be operated by the steering pad switch. | 1. Steering pad switch circuit | STEERING PAD SWITCH CIRCUIT |
| 2. Radio receiver | RADIO RECEIVER | |
| Illumination for steering pad switch does not come on with tail switch on. | 1. Illumination circuit | ILLUMINATION CIRCUIT |
| 2. Radio receiver | RADIO RECEIVER |
"Bluetooth" function:
PROBLEM SYMPTOMS TABLE (BLUETOOTH FUNCTION)
| Symptom | Suspected Area | See |
|---|---|---|
| Cellular phone registration failure, phone directory transfer failure. | Proceed to "CELLULAR PHONE REGISTRATION FAILURE, PHONE DIRECTORY TRANSFER FAILURE " | CELLULAR PHONE REGISTRATION FAILURE, PHONE DIRECTORY TRANSFER FAILURE |
| Cellular phone cannot send/receive. | 1. Proceed to "CELLULAR PHONE CANNOT SEND/RECEIVE " | CELLULAR PHONE CANNOT SEND / RECEIVE |
| 2. Steering pad switch circuit | STEERING PAD SWITCH CIRCUIT | |
| 3. Radio receiver | RADIO RECEIVER | |
| Cannot call in a certain place. | Proceed to "CANNOT CALL IN A CERTAIN PLACE " | CANNOT CALL IN A CERTAIN PLACE |
| The other callers voice cannot be heard, is too quiet, or distorted. | 1. Proceed to "THE OTHER CALLERS VOICE CANNOT BE HEARD, IS TOO QUIET, OR DISTORTED " | THE OTHER CALLER'S VOICE CANNOT BE HEARD, IS TOO QUIET, OR DISTORTED |
| 2. Multi-display | MULTI-DISPLAY | |
| The other caller cannot hear your voice, or your voice is too quiet or distorted. | 1. Proceed to "THE OTHER CALLER CANNOT HEAR YOUR VOICE, OR YOUR VOICE IS TOO QUIET OR DISTORTED " | THE OTHER CALLER CANNOT HEAR YOUR VOICE, OR YOUR VOICE IS TOO QUIET OR DISTORTED |
| 2. Proceed to "MICROPHONE CIRCUIT BETWEEN OVERHEAD J/B AND MULTI-DISPLAY " | MICROPHONE CIRCUIT BETWEEN OVERHEAD J/B AND MULTI-DISPLAY | |
| 3. Microphone | MICROPHONE | |
| 4. Microphone amplifier | MICROPHONE AMPLIFIER | |
| 5. Multi-display | MULTI-DISPLAY |