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. REMOVE NO. 1 REAR SEAT OUTER BELT
ASSEMBLY (for 8-Passenger)
HINT:
Refer to the instructions for disassembly of the rear No .1 seat assembly (for
center seat).
Remove the rear seatback board.
Remove the rear seat shoulder belt cover.
Remove the 2 bolts, 2 nuts and N ...
Diagnostic trouble code chart
1. DTCS FOR AIRBAG SYSTEM
If a malfunction code is displayed during the DTC check,
check the circuit listed for the code in the table below
(Proceed to the page listed for that circuit).
HINT:
When the SRS warning light remains on and the DTC
output is the normal system code, a volta ...
Front Occupant Classification Sensor RH Circuit
Malfunction
DTC B1781 Front Occupant Classification Sensor RH Circuit
Malfunction
DESCRIPTION
The front occupant classification sensor RH circuit consists of the occupant
classification ECU and the
front occupant classification sensor RH.
DTC B1781 is recorded when a malfunction is detected in the fron ...
