Isuzu 2008MY N Series Workshop Manual page 41

1A-38 Engine Control System (4HK1)
Step
Is the customer's concern with the anti-lock
brake system?
12
Is the customer's concern with the HSA
system?
13
Is the customer's concern with the SRS airbag
system?
14
1. Review the following symptoms.
2. Refer to the applicable symptom diagnostic
table:
• Hard Start
• Rough, Unstable, or Incorrect Idle and
Stalling
• High Idle Speed
• Cuts Out
• Surges
15
• Lack
Sponginess
• Hesitation, Sag, Stumble
• Abnormal Combustion Noise
• Poor Fuel Economy
• Excessive Smoke (Black Smoke)
• Excessive Smoke (White Smoke)
Did you find and correct the condition?
Action
of Power, Sluggishness,
Value(s)
—
Section 4C1 ABS/
—
—
—
or
Yes
Go to Diagnostic
System Check -
ABS Controls in
ASR
Go to Diagnostic
System Check -
HSA Controls in
Section 4E HSA
Go to Diagnostic
System Check -
SRS Controls in
Section 8C SRS
Control System
Go to Intermittent
System OK
No
Go to Step 13
Go to Step 14
Go to Step 15
Conditions