Toyota RAV4 manuals

Toyota Sienna Service Manual: Diagnosis system

1. CHECK DLC3

CHECK DLC3

  1. The ECU uses the ISO 15765-4 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format.

CHECK DLC3

CHECK DLC3

NOTICE: *: Before measuring the resistance, leave the vehicle as is for at least 1 minute and do not operate the ignition switch, any other switches, or the doors.

If the result is not as specified, the DLC3 may have a malfunction. Repair or replace the harness and connector.

  1.  Connect the cable of the intelligent tester to the DLC3, turn the ignition switch to the ON position, and attempt to use the tester. If the display indicates that a communication error has occurred, there is a problem either with the vehicle or with the tester.

2. CHECK INDICATOR

CHECK INDICATOR

  1.  Turn the ignition switch to the ON position.

CHECK INDICATOR

  1. Check that the CRUISE main indicator light illuminates when the cruise control main switch is turned on, and that the indicator light turns off when the main switch is turned off. If the results are not as specified, inspect the CRUISE main indicator light circuit.

HINT: While driving with cruise control, the ECM activates AUTO CANCEL of the cruise control system when a malfunction occurs in one of the following: vehicle speed sensors, stop light switch, or other related parts. When AUTO CANCEL is activated, the CRUISE main indicator light outputs the blinking pattern as shown in the illustration. At the same time, data of the malfunction is stored as a DTC

Terminals of ECM
1. CHECK ECM ...

DTC check / clear
1. DTC CHECK  Connect the intelligent tester to the DLC3.  Connect the intelligent tester to the Controller Area Network Vehicle Interface Module (CAN VIM). Then connect th ...

Other materials:

Tire Pressure Warning Light Circuit
DESCRIPTION If the ECU detects trouble, the tire pressure warning light blinks (comes on after blinking for 1 minute) and tire pressure monitor is cancelled at the same time. At this time, the ECU records a DTC in the memory. Connect terminals TC and CG of DLC3 to make the tire pressure war ...

Installation
1. INSTALL TIRE PRESSURE WARNING RESET SWITCH (a) Engage the 2 claws to install the tire pressure warning reset switch to the lower instrument panel finish panel sub-assembly LH. 2. INSTALL LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY LH 3. INSTALL COWL SIDE TRIM SUB-ASSEMBLY LH 4. IN ...

Engine
ON-VEHICLE INSPECTION 1. INSPECT ENGINE COOLANT (a) Inspect the engine coolant (See page CO-1). 2. INSPECT ENGINE OIL (a) Inspect the engine oil (See page LU-1). 3. INSPECT BATTERY (a) Inspect the battery (See page CH-5). 4. INSPECT AIR CLEANER FILTER ELEMENT SUBASSEMBLY (a) Remove the air c ...

В© 2011-2025 Copyright www.tsienna.net