Isuzu 2000 Trooper Workshop Manual page 974

Engine Cranks But Will Not Run (Cont'd)
Step
31 1. At the injector (male) side of the gray connector
mentioned in step 25, connect an ohmmeter
between the ignition pin and one of the driver circuit
pins.
2. Check for continuity in the circuit.
3. Repeat for each injector circuit. The readings
should be approximately equal to the specified
value for injector resistance.
Was a problem found?
32 Repair the ignition feed circuit.
Is the action complete?
33 Replace the PCM.
IMPORTANT: The
programmed.
Refer to ON-Vehicle Service in Power Control Module
and Sensors for 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 PROGRMMED
SOFTWARE to the replacement PCM.
Is the action complete?
34 1. Raise the vehicle and disconnect the CKP sensor
harness.
2. Ignition "ON."
3. With a test light to ground, probe the harness
ignition feed terminal.
Did the light illuminate?
35 Check the ignition feed wire between the sensor
andthe PCM for a short to ground or open circuit.
Is the action complete?
36 1. Ignition "ON."
2. At the CKP harness connector, connect a test light
between the ignition and ground terminals.
Did the light illuminate?
37 Check the sensor ground circuit for an open or short to
voltage.
Is the action complete?
38 Check the signal circuit between the sensor and the
PCM for a short to ground, short to voltage, or an open.
Was a problem found?
39 Replace the CKP position sensor.
Is the action complete?
TROOPER 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
Action
replacement PCM must
Value(s)
12.5 m
Verify repair
— Verify repair
be
— Verify repair
Go to Step 36
—
— Verify repair
— Go to Step 38
— Verify repair
— Verify repair
— Verify repair
6E–105
Yes No
Go to Step 8
—
—
Go to Step 35
—
Go to Step 37
—
Go to Step 39
Go to Step 33