Lexus ES: Voice Guidance does not Function
WIRING DIAGRAM
PROCEDURE
| 1. | CHECK VOICE GUIDANCE SETTING |
(a) Check that the voice guidance settings are not off.
OK:
Voice guidance settings are not off.
| NG | .gif) | CHANGE VOICE GUIDANCE SETTINGS TO ON |
|
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| 2. | CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NAVIGATION ECU) |
(a) Disconnect the G1 radio receiver assembly connector.
(b) Disconnect the G14 navigation ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| G1-22 (SI+) - G14-6 (VOI+) | Always | Below 1 Ω |
| G1-23 (SI-) - G14-7 (VOI-) | Always | Below 1 Ω |
| G1-22 (SI+) or G14-6 (VOI+) - Body ground | Always | 10 kΩ or higher |
| G1-23 (SI-) or G14-7 (VOI-) - Body ground | Always | 10 kΩ or higher |
| G14-8 (SLD1) - Body ground | Always | 10 kΩ or higher |
| OK | | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
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| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
READ NEXT:
Voice is not Recognized
PROCEDURE 1. CHECK CONDITION (a) While paying attention to the condition of the spoken voice command, perform a voice recognition operation. OK: Voice command is recognized normally. HINT:
Weather and traffic information cannot be obtained
CAUTION / NOTICE / HINT NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Pre
SEE MORE:
Installation
INSTALLATION PROCEDURE 1. INSTALL ABSORBER CONTROL ECU (a) Install the absorber control ECU with the 2 nuts. Torque: 7.5 N·m {76 kgf·cm, 66 in·lbf} NOTICE:
Avoid any impact to the absorber control ECU.
Do not drop the absorber control ECU. If it is dropped, replace it with a new one.
(b)
PBD/PTL Closer Switch (B2251)
DESCRIPTION DTC B2251 is output if there is a malfunction in the half latch switch circuit of the luggage door closer assembly. DTC No. Detection Item DTC Detection Condition Trouble Area B2251 PBD/PTL Closer Switch When luggage door is opening or closing, malfunction occurs in half
