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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Diagnostic Trouble Code Chart
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
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
Emergency Call Switch Illumination Circuit
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
SEE MORE:
Hybrid/EV Battery Control System Over Temperature (P30004B)
DESCRIPTION The battery ECU assembly monitors the temperature of the HV battery to detect if it becomes excessively high. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate P30004B Hybrid/EV Battery Control System Over Temperature The battery ECU as
Lost Communication with Panoramic View Monitor Control Module (U023B)
DESCRIPTION These DTCs are stored if there is a malfunction in the CAN communication system connected to the rear television camera assembly. HINT: If CAN communication system DTCs are stored, they may also be stored in other systems. DTC No. Detection Item DTC Detection Condition Trouble A
