Toyota Sienna Service Manual: Cruise Main Indicator Light Circuit
DESCRIPTION
- The ECM detects a cruise control switch signal and sends it to the combination meter through CAN and BEAN. Then the CRUISE main indicator light comes on.
- The CRUISE main indicator light circuit uses CAN and BEAN for communication. If there is a malfunction in this circuit, check for DTCs in the CAN communication system and multiplex communication system before troubleshooting this circuit.
INSPECTION PROCEDURE
1 PERFORM ACTIVE TEST BY INTELLIGENT TESTER
- Connect the intelligent tester to the DLC3.
- Turn the ignition switch to the ON position and turn the intelligent tester main switch on.
- Check the CRUISE main indicator light by performing the ACTIVE TEST.
METER:
OK: The indicator light blinks/goes off.
2 READ VALUE OF INTELLIGENT TE
- Connect the intelligent tester to the DLC3.
- Turn the ignition switch to the ON position and turn the intelligent tester main switch on.
- Check the DATA LIST for proper functioning of the CRUISE main indicator light.
ECM (Cruise control):
OK: When the cruise control main switch is operated, the display changes as shown above.
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
Cruise Control Switch Circuit
DESCRIPTION
The cruise control main switch operates 7 functions: SET, - (COAST),
TAP-DOWN, RES (RESUME), +
(ACCEL), TAP-UP, and CANCEL. The SET, TAP-DOWN, and - (COAST) functions, and the
RES
( ...
TC and CG Terminal Circuit
DESCRIPTION
Connecting terminals TC and CG of the DLC3 causes the system to enter the
self-diagnostic mode. If a
malfunction is present, DTCs will be output.
HINT:
When a particular warning li ...
Other materials:
Installation
1. INSTALL AIR CONDITIONING BLOWER ASSEMBLY
(a) Install the air conditioning blower assembly with the
3 bolts.
Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf)
NOTICE:
Tighten the bolts in the order shown in the
illustration to install the air conditioning blower
assembly.
2. INSTALL AIR CONDITIO ...
Reassembly
1. INSTALL LOWER RADIATOR GRILLE
Engage the 16 claws to install the lower radiator
grille to the front bumper cover.
2. INSTALL FRONT BUMPER HOLE COVER LH (w/o
Fog Light)
Engage the 2 pins to install the front bumper hole
cover LH to the front bumper cover.
3. INSTALL FRON ...
Laser Sensor Power Source Circuit
DESCRIPTION
This circuit provides power to the laser sensor. The laser sensor emits radio
waves towards an object in
front and measures the distance and direction of the object by receiving the
beam reflections. Based on
the reflections, the sensor calculates the difference in speed between t ...
