Workshop Manual

7A1–12
TRANSMISSION CONTROL SYSTEM (4L30–E)
“Check Trans” Check
1.Indicator is ON during 2∼3 seconds at ignition (or
when the engine is cranked) but it is OFF after the
engine starts. The indicator is working normally GO
TO DIAGNOSTIC CHECK.
821R200014
Normal
C07R200005
2.Indicator is flashing and the flash is 0.2 seconds ON
and 0.2 seconds OFF always when ignition is on
(engine cranked or not). This means that there is a
malfunction. GO TO DIAGNOSTIC CHECK.
Abnormal
C07R200006
3.Indicator is staying ON always when Ignition is ON.
1. This means that connection between the lamp
and the indicator control unit is shorted to ground.
2. Verify if instrument panel terminal 27 of connector
I–24 is shorted to ground.
3. Verify if the indicator control unit connector B–16
terminal 20 is shorted to ground.
4. Verify that the instrument panel terminal 14 of
connector I–24 is connected to battery.
5. If problem solved: GO TO CHECK TRANS
INDICATOR.
NO:Replace Powertrain Control Module (PCM).
4.Indicator is staying OFF with the ignition ON (engine
OFF).
1. This means that connection between the lamp
and the indicator control unit is shorted to battery
or opened.
2. Verify if instrument panel terminal 27 of connector
I–24 is shorted to battery or open.
3. Verify if the indicator control unit connector B–16
terminal 20 is shorted to battery or open.
4. Verify that the instrument panel terminal 14 of
connector I–24 is connected to battery. If not,
check the fuses and the connections (terminal 7
of connector H–17) voltage.