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539
4-3. Do-it-yourself maintenance
4
Maintenance and care
4RUNNER_U
18DOOR RL25 A Power windows
19AM17.5 A Starter system
20A/C7.5 A Air conditioning system
21OBD7.5 A On-Board diagnosis
22FOG FR 15 A Fog lights
23D/L NO.225 A
Multiplex communication sys-
tem
24P/SEAT FL30 A Front driver’s power seat
254WD 20 A Four wheel drive system
26KDSS 10 AKinetic dynamic suspension
system
27TOWING BKUP10 A Trailer back-up lights
28BKUP LP10 A Back-up lights
29ACC7.5 A Multiport fuel injection system/
sequential multiport fuel injec-
tion system
30P/OUTLET15 A Power outlets
FuseAmpereCircuit
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5
When trouble arises
561
5-1. Essential information
4RUNNER_U
If you think something is wrong
If you notice any of the following symptoms, your vehicle probably
needs adjustment or repair. Contact your Toyota dealer as soon as
possible.
■ Visible symptoms
●Fluid leaks under the vehicle
(Water dripping from the air cond itioning after use is normal.)
● Flat-looking tires or uneven tire wear
● Engine coolant temperature g auge needle continually points
higher than normal
● Voltmeter (if equipped) continua lly points higher or lower than
normal
■ Audible symptoms
●Changes in exhaust sound
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises related to the engine
■ Operational symptoms
●Engine missing, stumbling or running roughly
● Appreciable loss of power
● Vehicle pulls heavily to one side when braking
● Vehicle pulls heavily to one side when driving on a level road
● Loss of brake effectiveness, s pongy feeling, pedal almost
touches the floor
Page 587 of 665
586 5-2. Steps to take in an emergency
4RUNNER_ULower the vehicle.
Firmly tighten each wheel nut
two or three times in the order
shown in the
illustration.
Tightening torque:
83 ft•lbf (110 N•m, 11.5 kgf•m)
Stowing the flat/spare tire, jack and tools
Lay down the tire with the outer
side facing up, and install the
holding bracket.
Raise the tire.
Vehicles with kinetic dynamic suspension: Pull the tire toward
the rear of the vehicle when raising. After raising, visually
check that tire is not interfering with components.
Stow the tools and jack securely, and replace the cover.
CTH52AS019
STEP 3
CTH52AS029
STEP 4
CTH52AS031
STEP 1
STEP 2
STEP 3
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650
4RUNNER_U
Abbreviation list
Abbreviation/Acronym list
ABBREVIATIONSMEANING
2WD 2 Wheel Drive
4WD 4 Wheel Drive
ABS Anti-lock Brake System
ACC Accessory
AI-SHIFT Artificial Intelligence Shift control
ALR Automatic Locking Retractor
A-TRAC Active traction control system
AUTO LSD Automatic Limited Slip Differential
AUX Auxiliary
CRS Child Restraint System
DAC Downhill assist control system
ECU Electronic Control Unit
EDR Event Data Recorder
ELR Emergency Locking Retractor
GAWR Gross Axle Weight Rating
GCWR Gross Combination Weight Rating
GVWR Gross Vehicle Weight Rating
I/M Emission Inspection and Maintenance
KDSS Kinetic Dynamic Suspension System
LATCH Lower Anchors and Tethers for Children
LED Light Emitting Diode
LSD Limited Slip Differential
MAX Maximum
MIN Minimum
MMT Methylcy clopentadienyl Manganese Tricarbonyl
M+S Mud and Snow
MTBE Methyl Tertiary Butyl Ether