
EG–401
ENGINE – 2JZ–GE ENGINE TROUBLESHOOTING
5 Check idle speed.
IG⊖
Tachometer
DLC1
P11291
P (1) Shift transmission into "N" position.
(2) Warm up engine to normal operating tempera–
ture.
(3) Switch OFF all accessories.
(4) Switch OFF air conditioning.
(5) Connect tachometer test probe to terminal IG⊖
of data link connector 1.
C Check idle speed.
OK Idle speed: 700 ± 50 rpm
Caution
• NEVER allow tachometer test probe to touch
ground as it could result in damage to igniter
and/or ignition coil.
• As some tachometers are not compatible with
this ignition system, we recommend that you
confirm compatibility of your unit become use.
OK NG Proceed to matrix chart of problem symptoms
on page EG–408.
6 Check ignition timing.
SST
TE1
E1
DLC1
P11288
PO2530
P (1) Shift transmission into "N" position.
(2) Warm up engine to normal operating tempera–
ture.
(3) Keep the engine speed at idle.
(4) Using SST, connect terminals TE1 and E1 of data
link connector 1.
SST 09843–18020
(5) Connect a timing light probe to No.1 high–ten–
sion cord.
C Check ignitiion timing.
OK Ignition timing: 10 ± 2° BTDC @ idle
OK NG Proceed to page EG–18 and continue to trouble–
shoot.
Proceed to matrix chart of problem symptoms
on page EG–408.