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Home >> Lexus >> 2005 >> SC 430 V8-4.3L (3UZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Ignition Coil >> Service and Repair
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Ignition Coil: Service and Repair

REPLACEMENT

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.

2. REMOVE V-BANK COVER
3. REMOVE INTAKE AIR CONNECTOR PIPE
4. REMOVE OIL LEVEL GAGE GUIDE

5. REMOVE IGNITION COIL ASSEMBLY




a. Disconnect the ignition coil connector.
b. Remove the bolt and pull out the ignition coil.

6. INSTALL IGNITION COIL ASSEMBLY

a. Connect a new ignition coil to the spark plug, attach the ignition coil to the cylinder head cover, and install the bolt.

Troupe: 7.5 N.m (76 kgf.cm, 66 in.lbf)

b. Connect the ignition coil connector.

7. INSTALL OIL LEVEL GAGE GUIDE
8. INSTALL INTAKE AIR CONNECTOR PIPE
9. INSTALL V-BANK COVER
10. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
11. PERFORM INITIALIZATION

NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.
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