Isuzu 1999 RODEO Workshop Manual page 746

DTC P0108 MAP Sensor Circuit High Input (Cont'd)
Step
8 1. Ignition OFF.
2. Place a fused jumper between the MAP sensor
circuit and the 5 volt signal circuit, both at the wiring
harness' MAP sensor connector.
3. Ignition ON, Engine OFF.
4. Observe the MAP value displayed on the Tech 2?
Does the Tech 2 read the following value?
9 Check the MAP sensor ground circuit, between the
MAP sensor and the PCM, for the following conditions:
f
An open circuit
f
A short to ground
f
A short to voltage
Was the problem found?
10 1. Ignition OFF.
2. Place a Digital Multimeter (DVM), set to measure
voltage, between the ground circuit and the 5 volt
signal circuit, both at the wiring harness' MAP
sensor connector.
3. Ignition ON, Engine OFF.
Does the DVM read the following value?
11 Replace the MAP sensor.
Verify repair.
12 Replace the PCM.
IMPORTANT: The
programmed. Refer to On–Vehicle Service in
Powertrain Control
procedures.
And also refer to latest Service Bulletin.
Check to see if the Latest software is released or not.
And then Down Load the LATEST PROGRAMMED
SOFTWARE to the replacement PCM.
Verify repair.
RODEO X22SE 2.2L ENGINE DRIVEABILITY AND EMISSION
Action
replacement PCM must
Module and Sensors
Value(s)
5 volts 104
kPa Go to Step 9
— Verify repair
Go to Step 11
5 Volts
—
be
for
—
6E1–119
Yes No
Go to Step 12
Go to Step 10
Go to Step 12
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— —