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:
Removal
1. RECOVER REFRIGERANT FROM REFRIGERATION
SYSTEM (See page AC-172)
2. REMOVE NO. 2 AIR CLEANER INLET (See page EM-
28)
3. REMOVE FRONT BUMPER ASSEMBLY (See page
ET-3)
4. DISCONNECT DISCHARGE HOSE SUB-ASSEMBLY
(a) Remove the bolt and disconnect the discharge hose
sub-assembly from the coo ...
Reassembly
1. INSTALL LH REAR BUMPER SIDE RETAINER
Install the LH rear bumper side retainer with the 3
screws.
2. INSTALL RH REAR BUMPER SIDE RETAINER
Install the RH rear bumper side retainer with the 3
screws.
3. INSTALL REAR BUMPER REINFORCEMENT SUBASSEMBLY
Install the rear bumper reinf ...
Vanity light
ON-VEHICLE INSPECTION
1. LH VISOR ASSEMBLY
Inspect vanity light resistance.
check that the resistance exists between the
terminal 1 and the terminal 2 when the light is
operated.
Resistance:
OFF (closed):
10 kΩ or higher
ON (opened):
Below 1 Ω
2. RH VISOR ...
