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.
- Remove the engine cover No. 1 (see page 14-24 ).
- Remove the ignition coils.
- Using a 16 mm (0.63 in.) plug wrench, remove the spark plugs.
- Install the spark plugs to each ignition coil and connect the ignition coil connectors.
- Disconnect the 4 injector connectors.
- Ground the spark plugs.
- Check if sparks occur at each spark plug while the engine is being cranked.
NOTICE:
- Be sure to ground the spark plug when checking.
- Replace the ignition coil if given physical impact is given to the coil.
- Do not crank the engine for more than 2 seconds.
If the sparks do not occur, do the following test:
- Using a 16 mm (0.63 in.) plug wrench, install the spark plugs.
Torque: 19 NVm (194 kgfVcm, 14 ftVlbf)
- Install the ignition coils.
Torque: 9.0 NVm (92 kgfVcm, 80 in.Vlbf)
- Install the engine cover No. 1.
Torque: 9.0 NVm (92 kgfVcm, 80 in.Vlbf)
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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More about Toyota Highlander:
Throttle body ASSY (3MZ-FE)
COMPONENTS
REPLACEMENT
1. DRAIN ENGINE COOLANT (See page 16-26 )
2. REMOVE FRONT SUSPENSION BRACE SUB-ASSY UPPER CENTER
(a) Remove the 2 nuts and upper brace.
3. REMOVE V-BANK COVER SUB-ASSY
(a) Using a socket hexagon wrench 5, remove the 3 nuts.
(b) Remove the V-bank cover.
4. R ...
