Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Data List / Active Test

Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual / Vehicle Exterior / Mirror (ext) / Power Mirror Control System (w/o Memory) / Data List / Active Test

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. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

NOTICE:

In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(d) Enter the following menus: Body Electrical / Mirror L, Mirror R, Main Body or Master Switch / Data List.

(e) Read the Data List according to the display on the Techstream.

Body Electrical > Mirror L > Data List

Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
Seat Memory Switch1	Seat memory switch M1 switch signal*	OFF or ON	OFF: Seat memory switch M1 switch off ON: Seat memory switch M1 switch on	Not applicable
Seat Memory Switch2	Seat memory switch M2 switch signal*	OFF or ON	OFF: Seat memory switch M2 switch off ON: Seat memory switch M2 switch on	Not applicable
Seat Memory Switch3	Seat memory switch M3 switch signal*	OFF or ON	OFF: Seat memory switch M3 switch off ON: Seat memory switch M3 switch on	Not applicable
Seat Memory Set SW	Seat memory switch SET switch signal*	OFF or ON	OFF: Seat memory switch SET switch off ON: Seat memory switch SET switch on	Not applicable
Mirror Memory No.1	Mirror position memorized in memory switch M1*	OFF or ON	OFF: Not memorized ON: Memorized	Not applicable
Mirror Memory No.2	Mirror position memorized in memory switch M2*	OFF or ON	OFF: Not memorized ON: Memorized	Not applicable
Mirror Memory No.3	Mirror position memorized in memory switch M3*	OFF or ON	OFF: Not memorized ON: Memorized	Not applicable
Mirror Memory No.4	Mirror position memorized in memory switch M4*	OFF or ON	OFF: Not memorized ON: Memorized	Not applicable
Mirror Memory No.5	Mirror position memorized in memory switch M5*	OFF or ON	OFF: Not memorized ON: Memorized	Not applicable
Mirror Memory No.6	Mirror position memorized in memory switch M6*	OFF or ON	OFF: Not memorized ON: Memorized	Not applicable
Mirror Memory(Rev) No.1	Mirror reverse shift-linked position No. 1 memorized	OFF or ON	OFF: Not memorized ON: Memorized	-
Mirror Memory(Rev) No.2	Mirror reverse shift-linked position No. 2 memorized	OFF or ON	OFF: Not memorized ON: Memorized	-
Mirror Memory(Rev) No.3	Mirror reverse shift-linked position No. 3 memorized	OFF or ON	OFF: Not memorized ON: Memorized	-
Mirror Vertical Sensor Vol	Vertical mirror position	MIN: 0, MAX: 5 V	0 to 5 V	-
Mirror Horizontal Sensor Vol	Horizontal mirror position	MIN: 0, MAX: 5 V	0 to 5 V	-
+B Voltage Input Value	Power supply for outer mirror control ECU assembly	MIN: 0 V, MAX: 25.5 V	11 to 14 V	-
# Codes	Number of trouble codes	0 to 255	Number of stored DTCs displayed	-

*: Although the item is displayed on the Techstream, it is not applicable to this vehicle.

Body Electrical > Mirror R > Data List

Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
Seat Memory Switch1	Seat memory switch M1 switch signal*	OFF or ON	OFF: Seat memory switch M1 switch off ON: Seat memory switch M1 switch on	Not applicable
Seat Memory Switch2	Seat memory switch M2 switch signal*	OFF or ON	OFF: Seat memory switch M2 switch off ON: Seat memory switch M2 switch on	Not applicable
Seat Memory Switch3	Seat memory switch M3 switch signal*	OFF or ON	OFF: Seat memory switch M3 switch off ON: Seat memory switch M3 switch on	Not applicable
Seat Memory Set SW	Seat memory switch SET switch signal*	OFF or ON	OFF: Seat memory switch SET switch off ON: Seat memory switch SET switch on	Not applicable
Mirror Memory No.1	Mirror position memorized in memory switch M1*	OFF or ON	OFF: Not memorized ON: Memorized	Not applicable
Mirror Memory No.2	Mirror position memorized in memory switch M2*	OFF or ON	OFF: Not memorized ON: Memorized	Not applicable
Mirror Memory No.3	Mirror position memorized in memory switch M3*	OFF or ON	OFF: Not memorized ON: Memorized	Not applicable
Mirror Memory No.4	Mirror position memorized in memory switch M4*	OFF or ON	OFF: Not memorized ON: Memorized	Not applicable
Mirror Memory No.5	Mirror position memorized in memory switch M5*	OFF or ON	OFF: Not memorized ON: Memorized	Not applicable
Mirror Memory No.6	Mirror position memorized in memory switch M6*	OFF or ON	OFF: Not memorized ON: Memorized	Not applicable
Mirror Memory(Rev) No.1	Mirror reverse shift-linked position No. 1 memorized	OFF or ON	OFF: Not memorized ON: Memorized	-
Mirror Memory(Rev) No.2	Mirror reverse shift-linked position No. 2 memorized	OFF or ON	OFF: Not memorized ON: Memorized	-
Mirror Memory(Rev) No.3	Mirror reverse shift-linked position No. 3 memorized	OFF or ON	OFF: Not memorized ON: Memorized	-
Mirror Vertical Sensor Vol	Vertical mirror position	MIN: 0, MAX: 5 V	0 to 5 V	-
Mirror Horizontal Sensor Vol	Horizontal mirror position	MIN: 0, MAX: 5 V	0 to 5 V	-
+B Voltage Input Value	Power supply for outer mirror control ECU assembly	MIN: 0 V, MAX: 25.5 V	11 to 14 V	-
# Codes	Number of trouble codes	0 to 255	Number of stored DTCs displayed	-

*: Although the item is displayed on the Techstream, it is not applicable to this vehicle.

Body Electrical > Main Body > Data List

Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
Reverse Coupled Actuation Mirror Angle	Function that turns the reverse shift-linked mirror position memorization function on or off	ACC, Door Lock or OFF	Customize setting displayed	-
Mem SW No. w/KeyID1	Switch linked with key ID1*	NONE, MEM SW1, MEM SW2, or MEM SW3	NONE: No switches linked with key ID1 MEM SW1: M1 linked with key ID1 MEM SW2: M2 linked with key ID1 MEM SW3: M3 linked with key ID1	Not applicable
Mem SW No. w/KeyID2	Switch linked with key ID2*	NONE, MEM SW1, MEM SW2, or MEM SW3	NONE: No switches linked with key ID2 MEM SW1: M1 linked with key ID2 MEM SW2: M2 linked with key ID2 MEM SW3: M3 linked with key ID2	Not applicable
Mem SW No. w/KeyID3	Switch linked with key ID3*	NONE, MEM SW1, MEM SW2, or MEM SW3	NONE: No switches linked with key ID3 MEM SW1: M1 linked with key ID3 MEM SW2: M2 linked with key ID3 MEM SW3: M3 linked with key ID3	Not applicable
Mem SW No. w/KeyID4	Switch linked with key ID4*	NONE, MEM SW1, MEM SW2, or MEM SW3	NONE: No switches linked with key ID4 MEM SW1: M1 linked with key ID4 MEM SW2: M2 linked with key ID4 MEM SW3: M3 linked with key ID4	Not applicable
Mem SW No. w/KeyID5	Switch linked with key ID5*	NONE, MEM SW1, MEM SW2, or MEM SW3	NONE: No switches linked with key ID5 MEM SW1: M1 linked with key ID5 MEM SW2: M2 linked with key ID5 MEM SW3: M3 linked with key ID5	Not applicable
Mem SW No. w/KeyID6	Switch linked with key ID6*	NONE, MEM SW1, MEM SW2, or MEM SW3	NONE: No switches linked with key ID6 MEM SW1: M1 linked with key ID6 MEM SW2: M2 linked with key ID6 MEM SW3: M3 linked with key ID6	Not applicable
Mem SW No. w/KeyID7	Switch linked with key ID7*	NONE, MEM SW1, MEM SW2, or MEM SW3	NONE: No switches linked with key ID7 MEM SW1: M1 linked with key ID7 MEM SW2: M2 linked with key ID7 MEM SW3: M3 linked with key ID7	Not applicable

*: Although the item is displayed on the Techstream, it is not applicable to this vehicle.

Body Electrical > Master Switch > Data List

Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
Mirror Selection SW (L)	Mirror select switch signal for LH mirror	OFF or ON	OFF: Mirror select switch off ON: Mirror select switch L switch on	-
Mirror Selection SW (R)	Mirror select switch signal for RH mirror	OFF or ON	OFF: Mirror select switch off ON: Mirror select switch R switch on	-
Mirror Position SW (L)	Mirror adjust switch signal (Left)	OFF or ON	OFF: Mirror adjust switch not pressed left ON: Mirror adjust switch pressed left	Check with the mirror select switch L or R switch on
Mirror Position SW (R)	Mirror adjust switch signal (Right)	OFF or ON	OFF: Mirror adjust switch not pressed right ON: Mirror adjust switch pressed right	Check with the mirror select switch L or R switch on
Mirror Position SW (Up)	Mirror adjust switch signal (Up)	OFF or ON	OFF: Mirror adjust switch not pressed up ON: Mirror adjust switch pressed up	Check with the mirror select switch L or R switch on
Mirror Position SW (Dwn)	Mirror adjust switch signal (Down)	OFF or ON	OFF: Mirror adjust switch not pressed down ON: Mirror adjust switch pressed down	Check with the mirror select switch L or R switch on
Outer Mirror Fold SW	Retractable outer mirror switch signal	OFF or ON	OFF: Retractable outer mirror switch off ON: Retractable outer mirror switch on	-
Auto Mirror SW	Auto retractable outer mirror switch signal	OFF or ON	OFF: Auto retractable outer mirror switch off ON: Auto retractable outer mirror switch on	-

ACTIVE TEST

HINT:

Using the Techstream to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered before parts or wiring is disturbed. Performing Active Tests early in troubleshooting is one way to save diagnostic time. Data List information can be displayed while performing Active Tests.

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(d) Enter the following menus: Body Electrical / Mirror L, Mirror R or Air Conditioner / Active Test.

(e) Perform the Active Test according to the display on the Techstream.

Body Electrical > Mirror L > Active Test

Tester Display	Measurement Item	Control Range	Diagnostic Note
Mirror Up/Down	Mirror vertical operation	OFF, Down or Up	Operate with engine switch on (IG) and the vehicle stopped. This test tilts the mirror up or down. This operation can be confirmed by watching the mirror move in the desired direction.
Mirror Right/Left	Mirror horizontal operation	OFF, Right or Left	Operate with engine switch on (IG) and the vehicle stopped. This test tilts the mirror right or left. This operation can be confirmed by watching the mirror move in the desired direction.
Mirror Fold/Return	Mirror retract operation	OFF, Return or Fold	Operate with engine switch on (IG) and the vehicle stopped. This test activates the Fold / Return. This operation can be confirmed by watching the mirror move in the desired direction.
Mirror Heater	Mirror heater operation	OFF or ON	Operate with engine switch on (IG) and the vehicle stopped. This test turns the mirror heater on or off. Mirror heater operation can be confirmed by touch.

Body Electrical > Mirror R > Active Test

Tester Display	Measurement Item	Control Range	Diagnostic Note
Mirror Up/Down	Mirror vertical operation	OFF, Down or Up	Operate with engine switch on (IG) and the vehicle stopped. This test tilts the mirror up or down. This operation can be confirmed by watching the mirror move in the desired direction.
Mirror Right/Left	Mirror horizontal operation	OFF, Right or Left	Operate with engine switch on (IG) and the vehicle stopped. This test tilts the mirror right or left. This operation can be confirmed by watching the mirror move in the desired direction.
Mirror Fold/Return	Mirror retract operation	OFF, Return or Fold	Operate with engine switch on (IG) and the vehicle stopped. This test activates the Fold / Return. This operation can be confirmed by watching the mirror move in the desired direction.
Mirror Heater	Mirror heater operation	OFF or ON	Operate with engine switch on (IG) and the vehicle stopped. This test turns the mirror heater on or off. Mirror heater operation can be confirmed by touch.

Body Electrical > Air Conditioner > Active Test

Tester Display	Measurement Item	Control Range	Diagnostic Note
Defogger Relay (Rear)	Mirror Heater	OFF or ON	-

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 / Mirror L or Mirror ...

Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Power Mirror Control System (w/o Memory) DTC No. Detection Item Link U0142 Lost Communication with Main Body ECU ...

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Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Data List / Active Test

Dtc Check / Clear

Diagnostic Trouble Code Chart

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