Part 2
INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION - (Continued)
7. FOR VEHICLES EQUIPPED WITH MOBILE COMMUNICATION SYSTEMS
(a) Install the antenna as far away from the ECU and sensors of the vehicle electronic systems as possible.
(b) Install an antenna and feeder at least 20 cm (7.87 in.) away from the ECU and sensors of the vehicle electronic systems. For details about ECU and sensor locations, refer to the section on the applicable components.
(c) Keep the antenna and feeder separate from other wiring as much as possible. This will prevent signals sent from the communication equipment from affecting vehicle equipment and vice-versa.
(d) Check that the antenna and feeder are correctly adjusted.
(e) Do not install a high-powered mobile communication system.
8. WHEN SERVICING ACTIVE TORQUE CONTROL 4WD VEHICLES
(a) WHEN USING A CHASSIS DYNAMOMETER
(1) This vehicle can be tested using a 4-wheel drive type chassis dynamometer (synchronized roller speed for front and rear axles).
NOTICE:
* A chassis dynamometer that only applies load to two wheels cannot be used.
* Do not brake or accelerate suddenly.
* Confirm that the vehicle is securely immobilized.
* Follow all usage and safety procedures in the operator's manual for the chassis dynamometer.
* Do not remove the propeller shaft.
(b) WHEN USING A SPEEDOMETER TESTER
NOTICE:
* Inspection should be done using the front wheels.
* Do not brake or accelerate suddenly.
* Maximum vehicle speed must be less than 60 km/h (37 mph) (when using free rollers to support the rear wheels, vehicle speed must be less than 50 km/h (31 mph)).
* Driving time should be less than 1 minute.
* Follow all usage and safety procedures in the operator's manual for the speedometer tester.
(1) Place the front wheels onto the rollers.
(2) Disable the VSC/TRAC.
(3) Place the rear wheels on free rollers or use safety stands to allow the rear wheels to rotate freely.
(4) Secure the vehicle with suitable chains or straps.
(5) Start the engine, and then measure the vehicle speed while increasing the speed gradually with the shift lever in D.
(6) After the test is finished, decrease the speed gradually, and then stop the vehicle.
(c) WHEN USING A BRAKE TESTER
NOTICE:
* A high-speed type brake tester cannot be used.
* Vehicle speed should be less than 0.5 km/h (0.3 mph).
* Follow all usage and safety procedures in the operator's manual for the brake tester.
(1) Place the wheels to be tested (front or rear) onto the rollers.
(2) Move the shift lever to N.
(3) Start the engine to allow normal brake booster operation.
(4) Operate the brakes to perform the test.
(d) WHEN USING AN ON-VEHICLE BALANCER
(1) Raise the vehicle until all 4 wheels are off the ground.
(2) Support the vehicle with safety stands at an appropriate height. Make sure that vehicle does not lean in any direction, and that the tires are completely clear of the floor.
(3) Place the vibration pick-up unit into position for the wheel to be measured *1.
(4) Release the parking brake.
(5) Check that no dragging force exists when turning each wheel by hand.
(6) Put the wheel balancer in position.
(7) Wheel balance measurement should be done by using both the engine and the wheel balancer drive roller to spin the wheels.
HINT
*1: Different on-vehicle wheel balancers have different requirements for mounting the vibration pick-up unit(s). Refer to the operator's manual for the wheel balancer to confirm requirements for use.
NOTICE:
* Start the engine and then increase the vehicle speed gradually with the shift lever in D.
* Do not accelerate or decelerate suddenly.
* Deceleration should be done by braking gradually.
* Make sure that no one is standing in-line with the spinning wheels.
* Measurement should be done quickly.
* Confirm that the vehicle is securely immobilized.
* Follow all usage and safety procedures in the operator's manual for the wheel balancer.
9. FOR VEHICLES EQUIPPED WITH TRACTION CONTROL (TRAC) AND VEHICLE STABILITY CONTROL (VSC) SYSTEMS
When testing with a 2-wheel drum tester such as a speedometer tester, a combination speedometer and brake tester, or a chassis dynamometer, or when jacking up the front wheels and turning the wheels, perform the following procedure to enter inspection mode and disable the TRAC and VSC systems.
HINT
* The vehicle may slip unexpectedly out of the dynamometer because of TRAC and VSC operations.
* Pressing the VSC OFF switch (for vehicles with a VSC OFF switch) does not disable TRAC and VSC operation completely.
NOTICE:
* Make sure that the SLIP indicator light is blinking.
* Secure the vehicle with chains for safety.
(a) Activating inspection mode (Not using the Techstream)
HINT
* Perform steps "D" to "H" within 30 seconds.
* Perform steps "F" and "G" within 15 seconds each.
(1) Ensure that the ignition switch is off and the engine is stopped. (Step "A")
(2) Make sure that the shift lever is in P. (Step "B")
(3) Start the engine. (Step "C")
(4) Apply the parking brake by pulling the parking brake lever. (Step "D")
(5) Depress and release the brake pedal twice. (Step "E")
(6) While holding the brake pedal down, release and apply the parking brake twice. (Step "F")
(7) With the parking brake applied, depress and release the brake pedal twice. (Step "G")
(8) Check if the SLIP indicator light comes on. (Step "H")
HINT
* If the SLIP indicator light does not come on in step "H", repeat the steps from "A" to "H".
* Turning the ignition switch off ends inspection mode.
(b) Activating inspection mode (Using the Techstream)
(1) Ensure that the ignition switch is off and the engine is stopped. (Step "A")
(2) Make sure that the shift lever is in P. (Step "B")
(3) Connect the Techstream to the DLC3. (Step "C")
(4) Start the engine. (Step "D")
(5) Turn the Techstream main switch on. (Step "E")
(6) Enter the following menus: Chassis / ABS/VSC/TRAC / Utility / Inspection Mode. (Step "F")
(7) Check if the SLIP indicator light comes on. (Step "G")
HINT
* If the SLIP indicator light does not come on in step "G", repeat the steps from "A" to "G".
* Turning the ignition switch off ends inspection mode.
10. PRECAUTIONS FOR TOWING FRONT WHEEL DRIVE VEHICLES
(a) Use one of the following methods to tow the vehicle.
(b) If the vehicle has trouble with the chassis or drivetrain, use method 1 (flatbed truck).
NOTICE:
Do not use any towing method other than those shown above.
(c) If a tow truck is not available, in an emergency the vehicle may be temporarily towed using a cable or chain secured to the emergency towing eyelet(s). This should only be attempted on hard surfaced roads for distances of less than 80 km, and at speeds below 30 km/h (19 mph).
A driver must be in the vehicle to steer and operate the brakes. The vehicle's wheels, drivetrain, axles, steering and brakes must be in good condition.
NOTICE:
If the towing speed or distance exceeds the above limits, or the vehicle is towed in a backward direction with the front wheels on the ground, the transaxle may be damaged.
(1) Emergency towing procedure
1 Turn the ignition switch ON.
2 Depress the brake pedal and move the shift lever to N.
3 Release the parking brake.
4 Release the brake pedal slowly.
NOTICE:
* Use extreme caution when towing the vehicle. Avoid sudden starts or erratic driving maneuvers which place excessive stress on the emergency towing eyelet and the cables or chains.
* Do not turn off the ignition switch. Turning off the ignition switch may result in engagement of the steering lock, resulting in a hazardous situation or accident.
(d) The towing methods shown below are dangerous and can damage the vehicle, so do not use them.
(1) Do not tow the vehicle facing rearward with the front wheels on the ground.
NOTICE:
* If the vehicle is towed facing rearward with the front wheels on the ground, the drivetrain may overheat and be damaged.
* In addition, if the vehicle is equipped with the VSC system, the system may apply the brakes to the rotating wheels.
(2) Do not use a sling-type towing method either from the front or rear.
NOTICE:
If a sling-type tow truck is used, damage may occur to the vehicle body.
11. PRECAUTIONS FOR TOWING ALL WHEEL DRIVE VEHICLES
(a) Use one of the following methods to tow the vehicle.
(b) If the vehicle has trouble with the chassis or drivetrain, use method 1 (flatbed truck).
NOTICE:
Do not use any towing method other than those shown above.
(c) If a tow truck is not available, in an emergency the vehicle may be temporarily towed using a cable or chain secured to the emergency towing eyelet(s). This should only be attempted on hard surfaced roads for distances of less than 80 km, and at speeds below 30 km/h (19 mph).
A driver must be in the vehicle to steer and operate the brakes. The vehicle's wheels, drivetrain, axles, steering and brakes must be in good condition.
NOTICE:
If the towing speed or distance exceeds the above limits, or the vehicle is towed in a backward direction with any of the wheels on the ground, the drivetrain may be damaged.
(1) Emergency towing procedure
1 Turn the ignition switch ON.
2 Depress the brake pedal and move the shift lever to N.
3 Release the parking brake.
4 Release the brake pedal slowly.
NOTICE:
* Use extreme caution when towing the vehicle. Avoid sudden starts or erratic driving maneuvers which place excessive stress on the emergency towing eyelet and the cables or chains.
* Do not turn off the ignition switch. Turning off the ignition switch may result in engagement of the steering lock, resulting in a hazardous situation or accident.
(d) The towing methods shown below are dangerous and can damage the vehicle, so do not use them.
(1) Do not tow the vehicle with only two wheels on the ground.
NOTICE:
If the vehicle is towed with only 2 wheels on the ground, the drivetrain may overheat and be damaged, or the wheels may come off the dollies.
(2) Do not use a sling-type towing method either from the front or rear.
NOTICE:
If a sling-type tow truck is used, damage may occur to the vehicle body.
12. FOR VEHICLES EQUIPPED WITH CATALYTIC CONVERTER
CAUTION:
If a large amount of unburned gasoline or gasoline vapors flow into the converter, it may cause converter overheating and create a fire hazard. To prevent this, observe the following precautions:
(a) Use only unleaded gasoline.
(b) Avoid idling the engine for more than 20 minutes.
(c) Avoid performing unnecessary spark tests.
(1) Perform a spark test only when absolutely necessary. Perform this test as rapidly as possible.
(2) While testing, never race the engine unless instructed.
(d) Avoid a prolonged engine compression measurement. Engine compression measurements must be performed as rapidly as possible.
(e) Do not run the engine when the fuel tank is nearly empty. This may cause the engine to misfire and create an extra load on the converter.
13. INSPECTION AND ADJUSTMENT OF JOINT ANGLE DURING REMOVAL AND INSTALLATION OF PROPELLER SHAFT (4WD)
(a) When performing operations which involve the removal and installation of the propeller shaft, always check the joint angle. Make adjustments if necessary Installation.
