ENGINE MAINTENANCE (MR18DE)MA-35
< SERVICE INFORMATION >
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SPARK PLUG : Removal and InstallationINFOID:0000000005714333
REMOVAL
1. Remove intake manifold. Refer to EM-137.
2. Remove ignition coil. CAUTION:
• Handle ignition coil car efully and avoid impacts.
• Never disassemble.
3. Remove spark plug using suitable tool. CAUTION:
Never drop or shock it.
4. Remove rocker cover. • Loosen bolts in reverse order as shown.
• Engine front
INSPECTION AFTER REMOVAL
CAUTION:
• Never drop or shock spark plug.
• Checking and adjusting spar k plug gap is not required
between change intervals.
• If spark plug tip is covered with carbon, a spark plug cleaner may be used.
7. O-ring8. Gasket
A. To air duct B. Refer to MA-35
.C. To intake manifold
PBIC3871E
PBIC3151J
SMA806CA
Cleaner air pressure
: Less than 588 kPa (5.88 bar, 6 kg/cm2, 85 psi)
Cleaning time : Less than 20 seconds
Revision: January 20102010 Versa
MA-36
< SERVICE INFORMATION >
ENGINE MAINTENANCE (MR18DE)
• Never use wire brush for cleaning spark plug.
INSTALLATION
1. Install the rocker cover gasket to the rocker cover.
2. Install rocker cover.• Tighten bolts in two steps separately in numerical order as
shown.
• Engine front
CAUTION:
Check if rocker cover gasket is not dropped from the instal-
lation groove of rocker cover.
3. Install spark plug using suitable tool.
CAUTION:
Never drop or shock it.
4. Install ignition coil. CAUTION:
• Handle it carefully and avoid impacts.
• Never disassemble.
5. Install intake manifold. Refer to EM-137
.
EVAP VAPOR LINES
EVAP VAPOR LINES : Checking EVAP Vapor LineINFOID:0000000005394827
1. Visually inspect EVAP vapor lines for improper attachment and for cracks, damage, loose connections,
chafing and deterioration.
2. Inspect fuel tank filler cap vacuum relief valve for clogging, sticking, etc. Refer to EC-498
HR16DE, EC-527 MR18DE.
SMA773C
1st step : 1.96 N·m (0.20 kg-m, 17 in-lb)
2nd step : 8.33 N·m (0.85 kg-m, 73 in-lb)
PBIC3151J
Make : DENSO
Part number : FXE20HR11
Gap (nominal) : 1.1 mm (0.043 in)
PBIC3871E
Revision: January 20102010 Versa
PG-46
< SERVICE INFORMATION >
HARNESS
BODY HARNESS (HATCHBACK)
E3 F6 GR/2 : Engine coolant temperature sensor F5 F30 B/8 : Terminal cord assembly
D2 F7 B/6 : Electric throttle control actuatorF2 F31 B/6 : Mass air flow sensor
G4 F8 SMJ : To E8 C5 F32 GR/1 : Oil pressure switch
B4 F9 — : Engine ground F5 F33 GR/6 : To E19
G2 F10 GR/32 : ECM C3 F34 GR/3 : Ignition coil No. 1 (with power transistor)
G2 F11 BR/48 : ECM C3 F35 GR/3 : Ignition coil No. 2 (with power transistor)
D3 F12 GR/4 : Air fuel ratio (A/F) sensor 1 C3 F36 GR/3 : Ignition coil No. 3 (with power transistor)
E2 F13 B/4 : Heated oxygen sensor 2 C3 F37 GR/3 : Ignition coil No. 4 (with power transistor)
C4 F14 B/2 : Knock sensor E5 F38 BR/3 : Output Speed sensor
D3 F15 B/3 : Crankshaft position sensor (POS) E4 F39 — : Fusible link box (battery)
C4 F16 — : Engine ground E4 F40 — : Fusible link box (battery)
B4 F17 GR/2 : Fuel injector No. 1 E2 F41 GR/2 : Vehicle speed sensor
C4 F18 GR/2 : Fuel injector No. 2 F5 F45 GR/3 : Input speed sensor
C4 F19 GR/2 : Fuel injector No. 3E5 F46 GR/22 : CVT unit
D4 F20 GR/2 : Fuel injector No. 4 E5 F47 B/3 : Input speed sensor
D4 F21 B/3 : Camshaft position sensor (PHASE) E3 F48 B/3 : Secondary speed sensor (with M/T)
C3 F22 GR/2 : EVAP canister purge volume control
solenoid valve E5 F52 G/8 : Transmission range switch (with CVT)
B3 F23 GR/2 : Intake valve timing control solenoid valve
Revision: January 20102010 Versa
