Toyota RAV4 manuals

Toyota Sienna Service Manual: 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 light remains blinking, a ground short in the wiring of terminal TC of the DLC3 or an internal ground short in the relevant ECU is suspected.

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 CHECK HARNESS AND CONNECTOR (TERMINAL TC of DLC3 - ECM)

CHECK HARNESS AND CONNECTOR (TERMINAL TC of DLC3 - ECM)

  1. Disconnect the E4 connector from the ECM.
  2.  Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

2 CHECK HARNESS AND CONNECTOR (TERMINAL CG of DLC3 - BODY GROUND)

CHECK HARNESS AND CONNECTOR (TERMINAL CG of DLC3 - BODY GROUND)

  1. Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

3 CHECK HARNESS AND CONNECTOR (TERMINAL TC of DLC3 - BODY GROUND)

CHECK HARNESS AND CONNECTOR (TERMINAL TC of DLC3 - BODY GROUND)

  1. Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

Cruise Main Indicator Light Circuit
DESCRIPTION When the cruise control main switch is on, the CRUISE main indicator light and READY indicator light come on. This indicates the control condition (presence or absence of a vehicle i ...

Cruise control main switch
COMPONENTS Removal 1. DISCONNECT BATTERY NEGATIVE TERMINAL 2. REMOVE STEERING WHEEL COVER LOWER NO.2 (24) 3. REMOVE STEERING WHEEL COVER LOWER NO.3 (24) 4. REMOVE HORN BUTTON ASSEMBLY ...

Other materials:

Removal
1. REMOVE INSTRUMENT CLUSTER CENTER NO. 1 FINISH PANEL 2. REMOVE INSTRUMENT CLUSTER CENTER NO. 2 FINISH PANEL 3. REMOVE SHIFT LEVER KNOB SUB-ASSEMBLY 4. REMOVE POSITION INDICATOR HOUSING ASSEMBLY 5. REMOVE INSTRUMENT CLUSTER CENTER LOWER FINISH PANEL SUB-ASSEMBLY 6. REMOVE POWER POINT SOCKET A ...

Inspection
1. INSPECT HEATED OXYGEN SENSOR (for Bank 1 Sensor 2) (a) Measure the resistance of the sensor. Standard resistance If the resistance is not as specified, replace the sensor. 2. INSPECT HEATED OXYGEN SENSOR (for Bank 2 Sensor 2) (a) Measure the resistance of the sensor. Standard r ...

Diagnosis system
1. DESCRIPTION  When troubleshooting OBD II (On-Board Diagnostics) vehicles, an intelligent tester (complying with SAE J1987) must be connected to the DLC3 (Data Link Connector 3) of the vehicle. Various data in the vehicle's ECM (Engine Control Module) can be then read. & ...

В© 2011-2025 Copyright www.tsienna.net