Contents Wiring diagrams Section: Mirrors All sections

Power Mirrors: Diagnosis Lexus RX I

Mirrors ~125 words

SYMPTOM DIAGNOSIS (ES300, LS400 & RX300)

ProblemInspect
Mirror Does Not OperateCIG Fuse (ES300); RADIO NO. 2 Fuse (LS400 & RX300); (1) Mirror Switch; (1) Mirror Motor; (2) Wire Harness
Mirror Operates Abnormally(1) Mirror Switch; (1) Mirror Motor; (2) Wire Harness
(1) Perform appropriate circuit test under CIRCUIT TESTS . If more than one circuit test is listed, perform tests in order listed. (2) Check for opens or shorts in wiring. See WIRING DIAGRAMS .
(1)Perform appropriate circuit test under CIRCUIT TESTS . If more than one circuit test is listed, perform tests in order listed.
(2)Check for opens or shorts in wiring. See WIRING DIAGRAMS .

SYMPTOM DIAGNOSIS (ES300, LS400 & RX300)

SYMPTOM DIAGNOSIS (GS300 & GS400)

ProblemInspect
Mirror Does Not Operate(1) Mirror Switch; (2) Wire Harness; (3) Body Control ECU No. 2; (4) Driver & Passenger Door ECU
Mirror Operates Abnormally(1) Mirror Switch; (1) Mirror Motor; (2) Wire Harness; (3) Body Control ECU No. 2; (4) Driver & Passenger Door ECU
(1) Perform appropriate circuit test under CIRCUIT TESTS . If more than one circuit test is listed, perform tests in order listed. (2) Check for opens or shorts in wiring. See WIRING DIAGRAMS . (3) See appropriate BODY CONTROL SYSTEMS article. (4) See appropriate wiring diagram in POWER DOOR LOCKS, TRUNK LID & FUEL DOOR RELEASE article.
(1)Perform appropriate circuit test under CIRCUIT TESTS . If more than one circuit test is listed, perform tests in order listed.
(2)Check for opens or shorts in wiring. See WIRING DIAGRAMS .
(3)See appropriate BODY CONTROL SYSTEMS article.
(4)See appropriate wiring diagram in POWER DOOR LOCKS, TRUNK LID & FUEL DOOR RELEASE article.

SYMPTOM DIAGNOSIS (GS300 & GS400)

SYMPTOM DIAGNOSIS (SC300 & SC400)

ProblemInspect
Mirror Does Not OperateRADIO NO. 2 Fuse; DOME Fuse; (1) Mirror Switch; (1) Mirror Motor; (1) Remote Control Mirror ECU; (2) Wire Harness
Mirror Operates Abnormally(1) Mirror Switch; (1) Mirror Motor; (1) Remote Control Mirror ECU; (2) Wire Harness
(1) Perform appropriate circuit test under CIRCUIT TESTS . If more than one circuit test is listed, perform tests in order listed. (2) Check for opens or shorts in wiring. See WIRING DIAGRAMS .
(1)Perform appropriate circuit test under CIRCUIT TESTS . If more than one circuit test is listed, perform tests in order listed.
(2)Check for opens or shorts in wiring. See WIRING DIAGRAMS .

SYMPTOM DIAGNOSIS (SC300 & SC400)

ProblemInspect
Both Right & Left Mirrors Do Not Operate(1) Mirror Switch; (2) Wire Harness; (3) Body Control ECU No. 2
Only One Side Of Mirror Does Not Operate(1) Mirror Motor; (2) Wire Harness; (4) Driver & Passenger Door ECU
Mirror Does Not Return To Memorized Position(1) Mirror Position Sensor (Position Is Not Set); (2) Wire Harness; (5) Power Seat ECU
Memorized Position Is Moved(1) Mirror Position Sensor (Position Is Not Set); (2) Wire Harness
(1) Perform appropriate circuit test under CIRCUIT TESTS . If more than one circuit test is listed, perform tests in order listed. (2) Check for opens or shorts in wiring. See WIRING DIAGRAMS . (3) See appropriate BODY CONTROL SYSTEMS article. (4) See appropriate wiring diagram in POWER DOOR LOCKS, TRUNK LID & FUEL DOOR RELEASE article. (5) See appropriate wiring diagram in POWER SEATS - WITH MEMORY article.
(1)Perform appropriate circuit test under CIRCUIT TESTS . If more than one circuit test is listed, perform tests in order listed.
(2)Check for opens or shorts in wiring. See WIRING DIAGRAMS .
(3)See appropriate BODY CONTROL SYSTEMS article.
(4)See appropriate wiring diagram in POWER DOOR LOCKS, TRUNK LID & FUEL DOOR RELEASE article.
(5)See appropriate wiring diagram in POWER SEATS - WITH MEMORY article.

SYMPTOM DIAGNOSIS (GS300 & GS400)

SYMPTOM DIAGNOSIS (LS400)

ProblemInspect
Both Right & Left Mirrors Do Not OperateRADIO NO. 2 Fuse; (1) Mirror Switch; (2) Tilt & Telescopic ECU; (3) Multiplex Communication Circuit; (4) Wire Harness
Only One Side Of Mirror Does Not Operate(5) Driver Door ECU; (5) Passenger Door ECU; (1) Mirror Motor; (4) Wire Harness
Mirror Does Not Return To Memorized Position(1) Driving Position Memory (Position Is Not Set); (1) Driving Position Memory & Return Switch; (5) Driver Door ECU; (3) Multiplex Communication Circuit; (4) Wire Harness
Memorized Position Is Moved(1) Driving Position Memory (Position Is Not Set); (4) Wire Harness
(1) Perform appropriate circuit test under CIRCUIT TESTS . If more than one circuit test is listed, perform tests in order listed. (2) See appropriate POWER TILT STEERING COLUMN SYSTEMS article. (3) See appropriate MULTIPLEX CONTROL SYSTEMS article. (4) Check for opens or shorts in wiring. See WIRING DIAGRAMS . (5) See appropriate wiring diagram in POWER DOOR LOCKS, TRUNK LID & FUEL DOOR RELEASE article.
(1)Perform appropriate circuit test under CIRCUIT TESTS . If more than one circuit test is listed, perform tests in order listed.
(2)See appropriate POWER TILT STEERING COLUMN SYSTEMS article.
(3)See appropriate MULTIPLEX CONTROL SYSTEMS article.
(4)Check for opens or shorts in wiring. See WIRING DIAGRAMS .
(5)See appropriate wiring diagram in POWER DOOR LOCKS, TRUNK LID & FUEL DOOR RELEASE article.

SYMPTOM DIAGNOSIS (LS400)

SYMPTOM DIAGNOSIS (LX470)

ProblemInspect
Both Right & Left Mirrors Do Not OperateMIRR Fuse; (1) Mirror Switch; CIGAR Fuse; ECU-IG Fuse; (2) Body Control ECU; (3) Wire Harness
Only One Side Of Mirror Does Not Operate(1) Mirror Motor; (3) Wire Harness; (2) Body Control ECU
Mirror Does Not Return To Memorized Position(1) Mirror Position Sensor (Position Is Not Set); (3) Wire Harness; (2) Body Control ECU
Memorized Position Is Moved(1) Mirror Position Sensor (Position Is Not Set); (3) Wire Harness
(1) Perform appropriate circuit test under CIRCUIT TESTS . If more than one circuit test is listed, perform tests in order listed. (2) See appropriate BODY CONTROL SYSTEMS article. (3) Check for opens or shorts in wiring. See WIRING DIAGRAMS .
(1)Perform appropriate circuit test under CIRCUIT TESTS . If more than one circuit test is listed, perform tests in order listed.
(2)See appropriate BODY CONTROL SYSTEMS article.
(3)Check for opens or shorts in wiring. See WIRING DIAGRAMS .

SYMPTOM DIAGNOSIS (LX470)

Mirror Does Not Return To Memorized Position(1) Driving Position Memory (Position Is Not Set); (1) Driving Position Memory & Return Switch; (2) Tilt & Telescopic ECU; (1) Remote Control Mirror ECU; (1) Mirror Position Sensor; (3) Wire Harness
Memorized Position Is Moved(1) Remote Control Mirror ECU; (1) Mirror Position Sensor; (3) Wire Harness
(1) Perform appropriate circuit test under CIRCUIT TESTS . If more than one circuit test is listed, perform tests in order listed. (2) See appropriate POWER TILT STEERING COLUMN SYSTEMS article. (3) Check for opens or shorts in wiring. See WIRING DIAGRAMS .
(1)Perform appropriate circuit test under CIRCUIT TESTS . If more than one circuit test is listed, perform tests in order listed.
(2)See appropriate POWER TILT STEERING COLUMN SYSTEMS article.
(3)Check for opens or shorts in wiring. See WIRING DIAGRAMS .

SYMPTOM DIAGNOSIS (SC300 & SC400)

POWER MIRROR MOTOR TEST (ES300)

Mirror DirectionTerminals No.
Left/Right2 & 3
Up/Down1 & 2

POWER MIRROR MOTOR TEST (ES300)

POWER MIRROR MOTOR TEST (GS300 & GS400)

Mirror DirectionTerminals No.
With Memory
Left/Right1 & 2
Up/Down2 & 6
Without Memory
Left/Right4 & 5
Up/Down5 & 6

POWER MIRROR MOTOR TEST (GS300 & GS400)

POWER MIRROR MOTOR TEST (LS400)

Mirror DirectionTerminals No.
With Memory
Left/Right11 & 12
Up/Down10 & 11
Without Memory
Left/Right5 & 6
Up/Down4 & 5

POWER MIRROR MOTOR TEST (LS400)

POWER MIRROR MOTOR TEST (LX470)

Mirror DirectionTerminals No.
Left/Right7 & 8
Up/Down6 & 7

POWER MIRROR MOTOR TEST (LX470)

POWER MIRROR MOTOR TEST (RX300)

Mirror DirectionTerminals No.
Left/Right4 & 5
Up/Down5 & 6

POWER MIRROR MOTOR TEST (RX300)

POWER MIRROR MOTOR TEST (SC300 & SC400)

Mirror DirectionTerminals No.
With Memory
Left/Right12 & 13
Up/Down3 & 13
Without Memory
Left/Right1 & 2
Up/Down2 & 3

POWER MIRROR MOTOR TEST (SC300 & SC400)