Suzuki 2000 Grand Vitara SQ625 Service Manual page 223

6-1-112 ENGINE (H25 ENGINE)
STEP
6 Air Intake System check:
(1) Check air intake system for clog and air inhabit.
(2) Check fast idle up system referring to "ENGINE
AND EMISSION CONTROL" section.
Are they in good condition?
7 VSS check:
(1) Perform DTC confirm procedure of VSS
referring to DTC P0500.
Is DTC P0500 detected?
8 Engine Mechanical check:
(1) Check engine mechanical referring to "ENGINE
MECHANICAL" section.
Is engine mechanical in good condition?
9 External Load check:
(1) Check external loads (power steering pump, air
conditioner compressor, alternator, transmission,
etc.).
Are they in good condition?
Fig. for STEP 5
ACTION YES
Go to Step 7.
Go to DTC P0500
flow table.
Go to Step 9.
Substitute a known-
good ECM (PCM)
and recheck.
NO
Repair or replace.
Go to Step 8.
Repair or replace.
Repair or replace.