Isuzu 20LE - Page 240

6E1-70 DRIVEABILITY AND EMISSIONS
Multiple ECM Information Sensor DTCs Set (Cont'd)
Step Action Value(s) Yes No
6
Measure the voltage between the MAP sensor signal
circuit at the ECM harness connector and ground.
Does the voltage measure near the specified value?
0V
Go to Step 7 Go to Step 10
7
Measure the voltage between the TP sensor signal circuit
at the ECM harness connector and ground.
Does the voltage measure near the specified value?
0V
Go to Step 8 Go to Step 11
8
Measure the voltage between the IAT sensor signal circuit
at the ECM harness connector and ground.
Does the voltage measure near the specified value?
0V
Go to Step 9 Go to Step 12
9
Measure the voltage between the ECT sensor signal
circuit at the ECM harness connector and ground.
Does the voltage measure near the specified value?
0V
Go to Step 14 Go to Step 13
10
Locate and repair the short to voltage in the MAP sensor
signal circuit.
Is the action complete?
-
Verify repair
-
11
Locate and repair the short to voltage in the TP sensor
signal circuit.
Is the action complete?
-
Verify repair
-
12
Locate and repair the short to voltage in the IAT sensor
signal circuit.
Is the action complete?
-
Verify repair
-
13
Locate and repair the short to voltage in the ECT sensor
signal circuit.
Is the action complete?
-
Verify repair
-
14
Replace the EPPROM or ECM. Note) Refer to 6E1-243
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Go to OBD
System
Check
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