Toyota Sienna Service Manual: Operation check
1. INPUT SIGNAL CHECK
- Connect the intelligent tester to the DLC3.
- Check the cruise control main switch using the DATA LIST function in the intelligent tester (ONOFF, CANCEL, - (COAST)/SET, + (ACCEL)/RES (RESUME), and MODE).
2. INSPECT MODE SWITCH
- Turn the ignition switch to the ON position.
- Turn the cruise control main switch on. Then push the main switch to MODE for 1 second or more to change to the constant speed control mode. Check that "NORM." is indicated on the display.
NOTICE: Do not push any other switches before pushing the main switch to MODE. If another switch is pushed, turn the main switch off and repeat the procedure above. HINT: If a malfunction is detected, turn the ignition switch off and repeat the procedure above.
3. INSPECT STEERING PAD SWITCH ASSEMBLY
- Turn the ignition switch to the ON position.
- Turn the cruise control main switch on.
- Turn on the distance control switch of the steering pad switch.
- Check that the indication of the vehicle-to-vehicle distance, which is shown on the multi-information display on the combination meter, changes from long to middle to short in that order.
HINT: The indication is automatically set to long each time the engine is started.
Road test
1. PROBLEM SYMPTOM CONFIRMATION
HINT:
The dynamic laser cruise control system has two cruise
control modes: the constant speed control mode and
vehicle-to-vehicle distance control mode.
...
Problem symptoms table
HINT:
Use the table below to help determine the cause of the
problem symptom. The likely causes of the problem are
indicated in descending order. Check each suspected area
in order. Re ...
Other materials:
Terminals of ECU
1. MULTIPLEX NETWORK GATEWAY ECU
Disconnect the G4 ECU connector.
Measure the voltage between the specified
terminals on the wire harness side connector.
If the result is not as specified, there may be a
malfunction on the wire harness side.
Measure the resistance between ...
Open in Front Passenger Side Squib 2nd Step
Circuit
DTC B1186/58 Open in Front Passenger Side Squib 2nd Step
Circuit
DESCRIPTION
The front passenger side squib 2nd step circuit consists of the center airbag
sensor assembly and the
front passenger airbag assembly.
The circuit instructs the SRS to deploy when deployment conditions are met.
...
Disposal
HINT:
Use the same procedures for the RH side and LH side.
The procedures listed below are for the LH side.
When scrapping a vehicle equipped with the SRS or
disposing of the curtain shield airbag assembly, be sure to
deploy the airbag first in accordance with the proce ...
