Toyota Highlander manuals

Toyota Highlander Service Manual: On-vehicle inspection

NOTICE: In this section, the terms "cold" and "hot" refer to the temperature of the coils. "Cold" means approximately -10 C (14 F) to 50 C (122 F). "Hot" means approximately 50 C (122 F) to 100 C (212 F).

1. INSPECT IGNITION COIL ASSY (WITH IGNITER) AND PERFORM SPARK TEST

(a) Check for DTCs.

NOTICE: If a DTC is present, perform a troubleshooting in accordance with the procedure for that DTC.

(b) Check if sparks occur.

  1.  Remove the V-bank cover (see page 14-24 ).
  2.  Remove the intake air surge tank (see page 14-24 ).
  3.  Remove the ignition coils.
  4.  Using a 16 mm (0.63 in.) plug wrench, remove the spark plugs.
  5.  Install the spark plugs to each ignition coil and connect the ignition coil connectors.
  6.  Disconnect the 6 injector connectors.
  7.  Ground the spark plugs.
  8.  Check if sparks occur at each spark plug while the engine is being cranked.

NOTICE:

If sparks do not occur, do the following test:

INSPECT IGNITION COIL ASSY (WITH IGNITER) AND PERFORM SPARK TEST


INSPECT IGNITION COIL ASSY (WITH IGNITER) AND PERFORM SPARK TEST


  1. Using a 16 mm (0.63 in.) plug wrench, install the spark plugs.

    Torque: 25 NVm (255 kgfVcm, 18.5 ftVlbf)

  2.  Install the ignition coil.

    Torque: 8.0 NVm (82 kgfVcm, 71 in.Vlbf)

  3.  Install the intake air surge tank (see page 14-24 ).
  4.  Install the V-bank cover (see page 14-24 ).
Ignition system (3MZ-FE)
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Inspection
NOTICE: In this section, the terms "cold" and "hot" refer to the temperature of the coils. "Cold" means approximately -10 C (14 F) to 50 C (122 F). "Hot" means approximately 50 C (122 F) to 100 C ...

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