Lexus ES: Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) The DCM (telematics transceiver) control the vehicle safety connect system functions. Safety connect system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). In some cases, a malfunction may be occurring in the safety connect system. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.
CHECK DLC3
(a) Check the DLC3.
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INSPECT BATTERY VOLTAGE
(a) Measure the battery voltage.
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery.
CHECK INDICATOR
(a) When a malfunction is detected in the safety connect system, the manual (SOS) switch red indicator on the manual (SOS) switch illuminates to inform the driver of the malfunction.
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READ NEXT:
DIAGNOSTIC TROUBLE CODE CHART Safety Connect System DTC No. Detection Item Link B153711 Telephone Sub Antenna Circuit Short to Ground B153713 Telephone Sub Antenna Circuit Open
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Telematics / Troubl
WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be need
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DESCRIPTION Each headlight ECU sub-assembly and headlight leveling motor communicate via LIN communication. The headlight leveling motor operates according to power supplied and automatic headlight beam level control signals from its respective headlight ECU sub-assembly and sends its operating stat
INSTALLATION PROCEDURE 1. INSTALL FUEL SUCTION TUBE WITH PUMP AND GAUGE ASSEMBLY (a) Install a new fuel suction tube set gasket to the fuel tank assembly. (b) Insert the fuel suction tube with pump and gauge assembly to the fuel tank assembly as shown in the illustration. (c) Set t
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