Lexus ES: Terminals Of Ecu
Lexus ES (XZ10) Service Manual / Vehicle Exterior / Exterior Panels / Trim / Grille Shutter System / Terminals Of Ecu
TERMINALS OF ECU
CHECK SWING GRILLE ACTUATOR ASSEMBLY
(a) Disconnect the z23 swing grille actuator assembly connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.
HINT:
Measure the values on the wire harness side with the connector disconnected.
| Tester Connection | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| z23-1 (+B) - Body ground | - | Auxiliary battery power supply | Power switch off | 11 to 14 V |
| z23-3 (GND) - Body ground | - | Ground | Always | Below 1 Ω |
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Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) Grille shutter system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunc
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / (desired system) / T
Data List / Active Test
DATA LIST / ACTIVE TEST 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. This non-int
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High Voltage Power Resource Circuit Short during Ready ON (P1C8449)
DTC SUMMARY MALFUNCTION DESCRIPTION The hybrid vehicle control ECU monitors the high-voltage wiring between the HV battery and inverter with converter assembly and detects an open circuit malfunction. HINT:
This DTC is differentiated from P300449 based on detection timing (after power switch is t
Moon roof
Use the overhead switches to open
and close the moon roof and tilt it
up and down.
Operating the moon roof
■ Opening and closing
Opens the moon roof*
The moon roof stops slightly before the
fully open position to reduce wind noise.
Press the switch again to fully open the
moon ro
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