ROAD TEST
1. PROBLEM SYMPTOM CONFIRMATION
(a) Inspect the SET function.
*1 |
ON/OFF |
*2 |
- SET |
(1) Turn the cruise control main switch on.
(2) Drive at the required speed of between 40 km/h (25 mph) and 200 km/h (125 mph).
(3) Push the cruise control main switch to - SET.
(4) Check that the SET indicator light illuminates at this time.
(5) After releasing the switch, check that the vehicle cruises at the set speed.
(b) Inspect the + function.
*1 |
ON/OFF |
*2 |
- SET |
*3 |
+ RES |
(1) Turn the cruise control main switch on.
(2) Drive at the required speed of between 40 km/h (25 mph) and 200 km/h (125 mph).
(3) Push the cruise control main switch to - SET.
(4) Check that vehicle speed increases while the cruise control main switch is pushed to + RES, and that the vehicle cruises at the newly set speed when the switch is released.
(5) Push the cruise control main switch to + RES and then release it immediately. Check that vehicle speed increases by approximately 1.6 km/h (1.0 mph) (tap-up control).
(c) Inspect the - function.
*1 |
ON/OFF |
*2 |
- SET |
(1) Turn the cruise control main switch on.
(2) Drive at the required speed of between 40 km/h (25 mph) and 200 km/h (125 mph).
(3) Push the cruise control main switch to - SET.
(4) Check that vehicle speed decreases while the cruise control main switch is pushed to - SET, and the vehicle cruises at the newly set speed when the switch is released.
(5) Push the cruise control main switch to - SET, and then release it immediately. Check that vehicle speed decreases by approximately 1.6 km/h (1.0 mph) (tap-down control).
(d) Inspect the CANCEL function.
*1 |
ON/OFF |
*2 |
- SET |
*3 |
CANCEL |
(1) Turn the cruise control main switch on.
(2) Drive at the required speed of between 40 km/h (25 mph) and 200 km/h (125 mph).
(3) Push the cruise control main switch to - SET.
(4) When performing any one of the following, check that the cruise control system is canceled and that the normal driving mode returns.
(e) Inspect the RES function.
*1 |
ON/OFF |
*2 |
- SET |
*3 |
+ RES |
(1) Turn the cruise control main switch on.
(2) Drive at the required speed of between 40 km/h (25 mph) and 200 km/h (125 mph).
(3) Push the cruise control main switch to - SET.
(4) Cancel cruise control operation by performing any of the above operations (other than turning the main switch off).
(5) After pushing the cruise control main switch to + RES at a speed of more than 40 km/h (25 mph), check that the vehicle resumes the speed set prior to the cancellation.
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)
(a) Disconnect the main body ECU (driver side junction block assembly) connectors.
(b) Measure the resistance and voltage according to the value(s) in the table
below.
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Precaution
PRECAUTION
1. PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following system after the cable is reconnected.
System Name
...
Hitch
Trailer hitch assemblies have different weight capacities. Toyota recommends
the use of Toyota hitch/bracket for your vehicle. For details, contact your Toyota
dealer.
• If you wish to install a trailer hitch, contact your Toyota dealer.
• Use only a ...