Lexus ES: Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) Sliding roof system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). 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
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If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
READ NEXT:
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 / Sliding Roof / Trou
DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. Th
DIAGNOSTIC TROUBLE CODE CHART Sliding Roof System DTC No. Detection Item Link B2341 Sensor (Motor) Failure B2342 Switch Failure B2343 Position Initialization Incompl
SEE MORE:
INSTALLATION PROCEDURE 1. INSTALL LEAK DETECTION PUMP SUB-ASSEMBLY HINT: Only perform this procedure when replacement of the leak detection pump sub-assembly is necessary. (a) Engage the 2 claws to install a new leak detection pump sub-assembly to the No. 2 charcoal canister sub-assembly. NOTIC
ON-VEHICLE INSPECTION PROCEDURE 1. CHECK AUXILIARY BATTERY (a) Check that the auxiliary battery cables are connected to the correct terminals. If they are not, connect them properly. (b) Check the auxiliary battery for damage and deformation. If severe damage, deformation or leakage is found, replac
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