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

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