2008 LEXUS RX400H check engine light

436
6-1. Specifications
RX400h_U
Electrical system
12-volt battery
Open voltage at
68°F (20 °C):12.6  12.8 V Fully charged
12.2 
12.4 V Half charged
11.8 
12.0 V Discharged
(Voltage checked 20 minutes after the
key is removed from the engine switch
with all the lights turned off)
Charging rates5 A max.

474
Alphabetical index
RX400h_U
Do-it-yourself maintenance .............. 310
Door courtesy lightsDoor courtesy lights.........................260
Wattage.................................................... 441
Door lock Back door................................................. 44
Side door .................................................. 39
Wireless remote control................... 36
Door pockets............................................271
Doors Back door................................................. 44
Door glasses ............................................72
Door lock......................................... 36, 39
Power back door ................................. 44
Side door .................................................. 39
Side mirrors ............................................. 68
Driver's seat belt reminder light ...... 391
Driving Break-in tips ........................................... 123
Correct posture .................................... 89
Procedures ............................................. 122
Winter driving tips...............................182
Driving position memory ......................55
DVD player Audio CD/CD text .......................... 248
DVD video ........................................... 239
Initial setting .......................................... 253
MP3 discs ............................................. 249
Video CD.............................................. 246
Electric power steering ....................... 169
Emergency, in case of If the back door opener is in operative................................................ 46
If the hybrid system will not start ................................................ 418 If the shift lever cannot be
shifted from P..................................... 419
If the 12-volt battery is discharged ......................................... 421
If the warning buzzer sounds......388
If the warning light turns on..........388
If you have a flat tire ........................408
If you lose your keys ........................ 420
If you think something is wrong .................................................. 385
If your vehicle becomes stuck ..... 427
If your vehicle needs to be towed ................................................... 378
If your vehicle overheats.................424
Energy monitor ......................................28
Engine
Compartment ....................................... 316
Engine switch .......................................... 131
Hood ......................................................... 313
How to start the hybrid system ...... 131
Identification number ........................ 431
If the hybrid system will not start .................................................418
Ignition switch ......................................... 131
Overheating .........................................424
Engine compartment cover ............... 317
Engine coolant Capacity ................................................ 435
Checking................................................323
Preparing and checking
before winter...................................... 182
Engine coolant temperature
gauge ...................................................... 138
Engine oil
Capacity .................................................434
Checking................................................. 318
E

475
Alphabetical index
RX400h_U
Preparing and checking before winter ...................................... 182
Engine oil maintenance data ............. 321
Engine switch............................................ 131
Engine switch light ............................... 260
EPS............................................................... 169
Event data recorder............................ 386
Floor mat.................................................. 283
Fluid Brake ....................................................... 325
Washer ................................................... 329
Fog lights Replacing light bulbs ....................... 365
Switch ..........................................................151
Wattage ................................................... 441
Foot well lighting .................................. 260
Front fog lights Replacing light bulbs ....................... 365
Switch ..........................................................151
Wattage ................................................... 441
Front passenger's seat belt
reminder light ....................................... 391
Front seats
Adjustment ...............................................49
Driving position memory ................. 55
Flattening seatbacks ........................... 50
Front side marker light
Replacing light bulbs ....................... 365
Wattage ................................................... 441
Front turn signal lights Replacing light bulbs ....................... 365
Wattage ................................................... 441 Fuel
Capacity .................................................433
Fuel gauge.............................................. 138
Gas station information ................. 484
Information ............................................ 442
Refueling.................................................... 78
Type .......................................................... 442
Fuel door ..................................................... 78
Fuel filler door ........................................... 78
Fuses ..........................................................352
Garage door opener .......................... 287
Gas station information......................484
Gauges ...................................................... 138
Glove box ................................................ 265
Glove box light ...................................... 266
Head restraints
Adjusting .................................................. 57
Headlight aim ......................................... 364
Headlight cleaner .................................. 156
Headlights
Discharge headlights precautions........................................375
Replacing light bulbs ....................... 365
Switch........................................................ 148
Wattage ....................................................441
Heaters
Seat heaters ......................................... 280
Side mirror.............................................204
Hood ........................................................... 313
Hooks Cargo hook ..........................................284
Shopping bag hook..........................284
F
G
H

479
Alphabetical index
RX400h_U
Spare tireInflation pressure ............................... 340
Spare tire ...............................................408
Spark plug ............................................... 435
Specifications......................................... 430
Speech command switch*
Speedometer Speedometer ........................................138
Steering Column lock release ......................... 132
Steering wheel Audio switches ..................................... 231
Manual adjustment .............................. 65
Power adjustment ................................ 66
Steering wheel position memory ................................................. 55
Storage feature ..................................... 265
Stuck If your vehicle becomes stuck .....427
Sun visors.................................................. 272
Sunshade Roof ..............................................................76
Switch Engine switch ..........................................131
Fog light switch.......................................151
Ignition switch..........................................131
Light switches........................................148
Power back door switch ...................44
Power door lock switch .................... 39
Power window switch......................... 72
Rear window wiper and washer switch .....................................................155
Window lock switch ............................ 72
Wipers and washer switch............. 152 Tail lights
Replacing light bulbs ....................... 365
Switch........................................................ 148
Wattage ....................................................441
Talk switch*
Telephone switch*
Theft deterrent system Alarm.......................................................... 85
Hybrid vehicle immobilizer system .....................................................83
Theft prevention labels ......................... 88
Tire inflation pressure .........................340
Tire section names Glossary .................................................. 451
Size............................................................ 447
Tire identification number..............446
Uniform tire quality grading .........449
Tires
Chains ...................................................... 182
Checking ................................................ 331
If you have a flat tire ......................... 408
Inflation pressure ............................... 340
Inflation pressure sensor ................ 332
Information ............................................445
Replacing .............................................. 408
Rotating tires ......................................... 331
Size............................................................439
Snow tires ............................................... 182
Spare tire ............................................... 408
Tools .......................................................... 408
Total load capacity ..................................181
Towing
Dinghy towing ...................................... 196
Emergency towing............................378
Trailer towing ........................................ 187T
*: Refer to the “Navigation System Owner’s Manual”.

480
Alphabetical index
RX400h_U
Traction control ...................................... 169
Trailer towing........................................... 187
TransmissionTransmission ..........................................135
Trip information display....................... 146
Trip meter ................................................. 138
Turn signal lights Replacing light bulbs........................365
Switch ........................................................136
Wattage.................................................... 441
Valet key...................................................... 34
Vanity lights Vanity lights .......................................... 273
Wattage.................................................... 441
Vanity mirrors ........................................ 273
Vehicle identification number .......... 431
Vehicle stability control....................... 169
Video mode ............................................. 251
VDIM .......................................................... 169
VSC ............................................................. 169
Warning buzzers Brake system ...................................... 388
Key reminder ....................................... 393
Open door ............................................391
Open moon roof reminder ............391
Seat belt reminder...............................391
Warning lights Anti-lock brake system...................389
Automatic headlight leveling system ..................................................389
Brake assist system...........................389
Brake system ...................................... 388
Charging system ...............................389 Electric power steering
control system ................................. 389
Hybrid battery system .................... 389
Low fuel level......................................... 391
Low tire pressure warning light.......................................................... 391
Master warning light.......................... 391
Open door ............................................. 391
Pretensioners ...................................... 389
Seat belt reminder light .................... 391
SRS airbags.......................................... 389
Warning messages
AWD system....................................... 398
Dynamic laser cruise control ..................................... 399, 402
Engine oil maintenance.................. 402
Engine oil pressure........................... 398
Fuel lid..................................................... 407
Head light level................................... 399
Hybrid system..................................... 398
Moon roof............................................. 402
Open door ........................................... 402
Parking brake...................................... 402
Vehicle stability control........399, 401
Washer fluid ........................................ 402
Water temp.......................................... 398
Transmission selector lever ......... 402
Washer
Checking................................................329
Preparing and checking before winter...................................... 182
Switch........................................................ 152
Washing and waxing........................... 298
Weight Cargo capacity .................................... 178
Load limits.................................................181
Weight .................................................... 430
V
W