Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 784
6A–16
ENGINE MECHANICAL (6VD1 3.2L)
Malfunction Indicator Lamp
The instrument panel “CHECK ENGINE” Malfunction In-
dicator Lamp (MIL) illuminates by self diagnostic system
when the system checks the starting of engine, or senses
malfunctions.
Condition
Possible cause
Correction
“CHECK ENGINE” MIL does not
illuminate at the starting of engine
Bulb defective
Replace
illuminate at the starting of engine
MIL circuit open
Correct or replace
Command signal circuit to operate
self diagnostic system shorted
Correct or replace
Engine Control Module (ECM) cable
loosely connected, disconnected or
defective
Correct or replace
ECM defective
Replace
“CHECK ENGINE” MIL illuminates,
and stays on
Deterioration of heated oxygen
sensor internal element
Replace
Heated oxygen sensor connector
terminal improper contact
Reconnect properly
Heated oxygen sensor lead wire
shorted
Correct
Heated oxygen sensor circuit open
Correct or replace
Deterioration of engine coolant
temperature sensor internal element
Replace
Engine coolant temperature sensor
connector terminal improper contact
Reconnect properly
Engine coolant temperature sensor
lead wire shorted
Correct
Engine coolant temperature sensor
circuit open
Correct or replace
Throttle position sensor open or
shorted circuits
Correct or replace
Deterioration of crankshaft position
sensor
Replace
Crankshaft position sensor circuit
open or shorted
Correct or replace
Vehicle speed sensor circuit open
Correct or replace
Manifold absolute pressure sensor
circuit open or shorted
Correct or replace
Intake air temperature sensor circuit
open or shorted
Correct or replace
Fuel injector circuit open or shorted
Correct or replace
ECM driver transistor defective
Replace ECM
Malfunctioning of ECM RAM
(Random Access Memory) or ROM
(Read Only Memory)
Replace ECM
6A–17
ENGINE MECHANICAL (6VD1 3.2L)
Cylinder Head Cover LH
Removal
1. Disconnect battery ground cable.
2. Remove air cleaner duct assembly.
060RW079
Legend
(1) Positive Crankcase Ventilation Hose Connector
(2) Intake Air Temperature Sensor
(3) Air Cleaner Duct Assembly
(4) Air Cleaner Element
3. Disconnect positive crankcase ventilation hose.
4. Remove camshaft angle sensor connector.
5. Remove ground cable fixing bolt on cylinder head
cover.
6. Ignition coil connector and ignition coil.
D
Disconnect the three connectors from the ignition
coils.
D
Remove harness bracket bolt on cylinder head
cover.
D
Remove fixing bolts on ignition coils.
060RW078
Legend
(1) Ignition Coil Connector
(2) Bolt
(3) Ignition Coil Assemblies
7. Remove fixing bolt for fuel injector harness bracket.
8. Remove eight fixing bolts, then the cylinder head
cover.
010RW001
6A–18
ENGINE MECHANICAL (6VD1 3.2L)
Installation
1. Install cylinder head cover.
D
Clean the sealing surface of cylinder head and
cylinder head cover to remove oil and sealing
materials completely.
D
Apply sealant (TB-1207B or equivalent) of bead
diameter 2-3 mm at eight place of arched area of
camshaft bracket on front and rear sides.
D
The cylinder head cover must be installed with in 5
minutes after sealant application to prevent
hardning of sealant.
D
Tighten bolts to the specified torque.
Torque : 9 N·m (0.9 kg·m/80 lb in)
010RW006
2. Install fuel injection harness bracket and tighten bolt
to the specified torque.
Torque : 9 N·m (0.9 kg·m/80 lb in)
3. Connect ignition coil connector and ignition coil, then
tighten bolt to the specified torque.
Torque : 4 N·m (0.4 kg·m/35 lb in)
060RW078
Legend
(1) Ignition Coil Connector
(2) Bolt
(3) Ignition Coil Assembly
4. Connect ground cable and tighten bolts to the
specified torque.
Torque : 9 N·m (0.9 kg·m/80 lb in)
5. Connect camshaft angle sensor connector.
6. Install positive crankcase ventilation hose.
7. Install air cleaner duct assembly.
6A–19
ENGINE MECHANICAL (6VD1 3.2L)
Cylinder Head Cover RH
Removal
1. Disconnect battery ground cable.
2. Disconnect ventilation hose from cylinder head cover.
3. Disconnect three ignition coil connectors from ignition
coils and remove harness bracket bolts on cylinder
head cover then remove ignition coil fixing bolts on
ignition coils and remove ignition coils.
4. Remove heater pipe fixing bolts from the bracket.
5. Disconnect fuel injector harness connector then
remove fuel injector harness bracket bolt.
6. Remove eight fixing bolts then the cylinder head
cover.
010RW002
Installation
1. Install cylinder head cover.
D
Clean the sealing surface of cylinder head and
cylinder head cover to remove oil and sealing
materials completely.
Apply sealant (TB-1207B or equivalent) of bead
diameter 2-3 mm at eight place of arched area of
camshaft bracket on front and rear sides.
D
The cylinder head cover must be installed within 5
minutes after sealant application to prevent
premature hardening of sealant.
D
Tighten bolts to the specified torque.
Torque : 9 N·m (0.9 kg·m/80 lb in)
014RW019
2. Install exhaust gas recirculation pipe and tighten to
specified torque.
Torque:
Exhaust manifold side: 28 N·m (2.9 kg·m/21 lb ft)
Flare nut: 44 N·m (4.5 kg·m/33 lb ft)
Cylinder head side: 25 N·m (2.6 kg·m/18 lb ft)
3. Tighten fuel injector harness bracket bolts to
specified torque then reconnect fuel injector harness
connector.
Torque : 7.8 N·m (0.8 kg·m/5.7 lb ft)
4. Install heater pipe bolt to the specified torque.
Torque : 21 N·m (2.1 kg·m/15 lb ft)
5. Connect ignition coil connector and tighten ignition
coil fixing bolts to specified torque.
Torque : 4 N·m (0.4 kg·m/35 lb in)
6. Connect ventilation hose to cylinder head.
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