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
...
More about Toyota Highlander:
Speed sensor (U241E/U140F)
REPLACEMENT
1. REMOVE BATTERY
2. REMOVE AIR CLEANER ASSY
3. REMOVE AIR CLEANER HOSE NO.1
4. REMOVE SPEED SENSOR (NT SENSOR)
(a) Disconnect the connector.
(b) Remove the bolt and speed sensor.
5. REMOVE SPEED SENSOR (NC SENSOR)
(a) Disconnect the connector.
(b) Remove the bolt and sp ...
