Isuzu KB P190. Manual - part 996
7A2-18 TRANSMISSION CONTROL SYSTEM (AW30–40LE)
Normal
C07RY005-1
2. Indicator is flashing and the flash is 0.4 seconds
“ON” and 0.4 seconds “OFF” always when ignition is
on (engine cranked or not). This means that there is
a malfunction. Go to On-Board Diagnostic (OBD)
System Check.
Abnormal
C07RY00042-1
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 25
of
connector B–23 is shorted to ground.
3. Verify if the indicator control unit connector C–
95 terminal 3 is shorted to ground.
4. Verify that the instrument panel terminal 8 of
connector B–24 is connected to battery.
5. If a problem was solved: Go to Check Trans
Indicator.
NO: Replace Transmission Control Module
(TCM).
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 25
of
connector B–23 is shorted to battery or open.
3. Verify if the indicator control unit connector C–
95 terminal 3 is shorted to battery or open.
4. Verify that the instrument panel terminal 25 of
connector B–23 is connected to battery. If not,
check the meter fuse and the connections
(terminal 2 of connector H–7) voltage.