Toyota RAV4 manuals

Toyota Sienna Service Manual: Terminals of ECU

1. INSTRUMENT PANEL JUNCTION BLOCK (MULTIPLEX NETWORK BODY ECU)

  1.  Disconnect the B6, B7 and B9 ECU connectors.
  2. Disconnect the 1A, 1C, 1K, 1L and 1P J/B connectors.

INSTRUMENT PANEL JUNCTION BLOCK

  1. Check the voltage or resistance according to the value(s) in the table below (wire harness side connector).

INSTRUMENT PANEL JUNCTION BLOCK

HINT: If the result is not as specified, there may be a malfunction on the wire harness side.

  1.  Reconnect the B6, B7 and B9 ECU connectors.
  2.  Reconnect the 1A, 1C, 1K, 1L and 1P J/B connectors.
  3.  Check the voltage according to the value(s) in the table below (ECU side connector).

INSTRUMENT PANEL JUNCTION BLOCK

If the result is not as specified, the instrument panel J/B (multiplex network body ECU) may have a malfunction.

Problem symptoms table
HINT: Inspect the fuse and relay before investigating the suspected areas shown in the table below. WIRELESS DOOR LOCK CONTROL SYSTEM: ...

Diagnosis system
1. DESCRIPTION When troubleshooting a vehicle with the diagnosis system, the only difference from the usual troubleshooting procedure is connecting the intelligent tester to the vehicle and readin ...

Other materials:

SFR Solenoid Circuit
DESCRIPTION The solenoid comes on when signals are received from the ECU and controls the pressure acting on the wheel cylinders, thus controlling brake force. WIRING DIAGRAM INSPECTION PROCEDURE 1 RECONFIRM DTC HINT: These codes are detected when a problem is identified in the ...

Short to GND in CAN Bus Line
DESCRIPTION A short to GND is suspected in the CAN bus wire when the resistance between terminals 4 (CG) and 6 (CANH), or terminals 4 (CG) and 14 (CANL) of the DLC3 is below 200 Ω. Symptoms Trouble Area The resistance between terminals 6 (CANH) and 4 (CG), or ter ...

Power Seat ECU Communication Stop
DTC B1272 Power Seat ECU Communication Stop DESCRIPTION This DTC is detected when communication between the seat position control ECU and the multiplex network gateway ECU stops for more than 10 seconds. DTC No. DTC Detection Condition Trouble Area B1272 ...

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