文档介绍：2004款丰田卡罗拉发动机机械维修手册(英文版)
14–1
ENGINE MECHANICAL – ENGINE ASSEMBLY
ENGINE ASSEMBLY
140OC–03
INSPECTION
1 INSPECT COOLANT See page 16–1
2 INSPECT ENGINE OIL See page 17–1
3 INSPECT BATTERY See page 19–13
4 INSPECT AIR CLEANER FILTER ELEMENT SUB–ASSY
5 INSPECT SPARK PLUG See page 18–2
6 INSPECT FAN AND GENERATOR V BELT
HINT
You dont need to check the belt deflection because auto tensioner is adopted
7 INSPECT IGNITION TIMING
a Warm up engine
b When using hand–held tester or OBDII scan tool
1 Connect the hand–held tester or OBDII scan tool to
the DLC3
HINT
Please refer to the hand–held tester or OBDII scan tool opera-
tors manual for further details
c When not using hand–held tester or OBDII scan tool
TC 1 Using SST connect terminal 13 TC and 4 CG of
the DLC3
SST 09843–18040
NOTICE
Be sure not to connect incorrectly It causes breakage
of the engine
Turn OFF all electrical systems
CG
A62199 Operate the inspection when the cooling fan motor is
turned OFF
2 Remove the 2 nuts 2 clips and cylinder head cover
3 Pull out the wire harness as shown in the illustration
4 Connect the clip of the timing light to the engine
NOTICE
Use a timing light which can detect the first signal
After checking be sure to tape the wire harness
A64072
5 Inspect ignition timing at idle
Ignition timing 8 – 12BTDC
NOTICE
When checking the ignition timing the transmission is at
neutral position
HINT
After engine rpm is kept at 1000 – 1300 rpm for 5 seconds
check that it returns idle speed
2004 COROLLA RM1037U
1011
14–2
ENGINE MECHANICAL – ENGINE ASSEMBLY
6 Disconnect the terminal 13 TC and 4 CG of the
DLC3
7 Inspect ignition timing at idle
Ignition timing 10 – 18 BTDC
8 Confirm that ignition timing moves to advanced
angle side when the engine rpm is increased
9 Remove the timing light
10 Install cylinder head cover No2 with the 2 nuts and