SYMPTOM DIAGNOSIS (ES300, LS400 & RX300)
| Problem | Inspect |
| Mirror Does Not Operate | CIG 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)
| Problem | Inspect |
| 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)
| Problem | Inspect |
| Mirror Does Not Operate | RADIO 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)
| Problem | Inspect |
| 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)
| Problem | Inspect |
| Both Right & Left Mirrors Do Not Operate | RADIO 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)
| Problem | Inspect |
| Both Right & Left Mirrors Do Not Operate | MIRR 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 Direction | Terminals No. |
| Left/Right | 2 & 3 |
| Up/Down | 1 & 2 |
POWER MIRROR MOTOR TEST (ES300)
POWER MIRROR MOTOR TEST (GS300 & GS400)
| Mirror Direction | Terminals No. |
| With Memory |
| Left/Right | 1 & 2 |
| Up/Down | 2 & 6 |
| Without Memory |
| Left/Right | 4 & 5 |
| Up/Down | 5 & 6 |
POWER MIRROR MOTOR TEST (GS300 & GS400)
POWER MIRROR MOTOR TEST (LS400)
| Mirror Direction | Terminals No. |
| With Memory |
| Left/Right | 11 & 12 |
| Up/Down | 10 & 11 |
| Without Memory |
| Left/Right | 5 & 6 |
| Up/Down | 4 & 5 |
POWER MIRROR MOTOR TEST (LS400)
POWER MIRROR MOTOR TEST (LX470)
| Mirror Direction | Terminals No. |
| Left/Right | 7 & 8 |
| Up/Down | 6 & 7 |
POWER MIRROR MOTOR TEST (LX470)
POWER MIRROR MOTOR TEST (RX300)
| Mirror Direction | Terminals No. |
| Left/Right | 4 & 5 |
| Up/Down | 5 & 6 |
POWER MIRROR MOTOR TEST (RX300)
POWER MIRROR MOTOR TEST (SC300 & SC400)
| Mirror Direction | Terminals No. |
| With Memory |
| Left/Right | 12 & 13 |
| Up/Down | 3 & 13 |
| Without Memory |
| Left/Right | 1 & 2 |
| Up/Down | 2 & 3 |
POWER MIRROR MOTOR TEST (SC300 & SC400)