Toyota 2GR-FE Manual page 374

ES–218
4
CHECK MISFIRE COUNT (CYL #1, #2, #3, #4, #5 AND #6)
ES
Result
1 or 2 cylinders have misfire counts
3 cylinders or more have misfire counts
A
5
CHECK SPARK PLUG
OK
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
(a) Connect the intelligent tester to the DLC3.
(b) Turn the ignition switch on (IG).
(c) Turn the tester on.
(d) Clear DTCs.
(e) Enter the following menus: DIAGNOSIS / ENHANCED
(f)
(g) Read the value of CYL #1 to #6 displayed on the tester. If
(h) Drive the vehicle with the MISFIRE RPM and MISFIRE
(i)
Misfire count
(a) Remove the ignition coil and the spark plug of the
(b) Measure the spark plug electrode gap.
(c) Check the electrode for carbon deposits.
Electrode Gap
A107715E01
OBD II / DATA LIST / MISFIRE / CYL #1, #2, #3, #4, #5
and #6 (Step "A").
Allow the engine to idle (Step "B").
no misfire counts occur in any cylinders, perform the
following operations (Step "C"):
(1) Shift the gear selector lever to the D position.
(2) Repeat steps "A" to "C" above.
(3) Check the CYL #1 to #6.
(4) If misfire counts are still no displayed, perform steps
"D" and "E" and then check the misfire counts again.
LOAD noted in step 2 (Step "D").
Read the CYL #1 to #6 or DTCs displayed on the tester
(Step "E").
B
Go to step 13
misfiring cylinder.
Standard:
Between 1.0 mm and 1.4 mm (0.039 in. and 0.055
in.)
Recommended spark plug:
Manufacture
DENSO
NOTICE:
If the electrode gap is larger than standard, replace
the spark plug. Do not adjust the electrode gap.
NG
REPLACE SPARK PLUG
Proceed to
A
B
Product
FK20HBR11