Lexus ES: Reverse Signal Circuit between Radio Receiver Assembly and Navigation ECU
Lexus ES (XZ10) Service Manual / Audio & Visual & Telematics / Navigation / Multi Info Display / Navigation System (for Hv Model) / Reverse Signal Circuit between Radio Receiver Assembly and Navigation ECU
DESCRIPTION
This circuit includes the navigation ECU and radio receiver assembly.
WIRING DIAGRAM
PROCEDURE
| 1. | 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 |
|---|---|---|
| G1-28 (REV2) - G14-19 (REV2) | Always | Below 1 Ω |
| G1-28 (REV2) or G14-19 (REV2) - 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:
Route cannot be Calculated
PROCEDURE 1. SET DESTINATION (a) Set another destination and check if the system can calculate the route correctly. OK: Route can be correctly calculated. OK END NG PROCEED T
Satellite Radio Broadcast cannot be Received
CAUTION / NOTICE / HINT NOTICE: Some satellite radio broadcasts require payment. A contract must be made between a satellite radio company and the user. If the contract expires, it will not be possibl
Satellite Radio Broadcast cannot be Selected or After Selecting Broadcast, Broadcast cannot be Added into Memory
CAUTION / NOTICE / HINT NOTICE: Some satellite radio broadcasts require payment. A contract must be made between a satellite radio company and the user. If the contract expires, it will not be possibl
SEE MORE:
Parts Location
PARTS LOCATION ILLUSTRATION *1 FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (for LH) *2 FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (for RH) *3 SLIDING ROOF SWITCH (MAP LIGHT SUB-ASSEMBLY) *4 SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) *5 COMBINATION METER ASSEMBLY
Rough Idling (P160500)
DESCRIPTION This DTC is stored if the combustion state of any cylinder is unstable. Using the Techstream, the conditions present when the DTC was stored can be confirmed by referring to the freeze frame data. Freeze frame data records engine conditions when a malfunction occurs. This information can
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