Spectrum 3.0L GM, Руководство по запчастям и обслуживанию

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203
DTC 522713 ETC TPS 1 Range
Step Action Value(s) Yes No
1
Did you perform the On-board diagnostics (OBD)
system check?
Go to Step
(2)
Go to On-
Board
Diagnostics
System
Check/
Malfunction
indicator
lamp.
2

With the monitor connected, Key ON, read
both pedal position sensor voltages.

See Pedal Position Voltage Table

Slowly depress the pedal while observing the
monitor
Are the readings within the specifications and is
the sweep smooth without any glitches?
Intermittent
problem. Go
to Preliminary
and Intermit-
tent Checks.
If there is a
glitch in the
sweep, re-
place the
pedal position
sensor. Oth-
erwise, go to
Step (3).
3

Check pedal position sensor

Disconnect VIC 1

Key ON, measure voltage from VIC pins S
and R.

Key ON, measure voltage from VIC pins M
and L.
Is the voltage between 4.8 and 5.2 volts?
Between 4.8
and 5.2 volts
Go to Step
(5)
Go to Step (4)
4

Key ON, measure the voltage from VIC 1
pins S and M to ground
Is the voltage between 4.8 and 5.2 volts?
Between 4.8
and 5.2 volts
Refer to the
vehicle wiring
diagram and
check ground
back to ECU,
repair as ne-
cessary.
Refer to the
vehicle wiring
diagram and
repair the
power supply
problem be-
tween here
and ECU.
Check for
possible ECU
5 volt prob-
lem. Refer to
codes 524260
and 524261
for diagnostic
aids.