Honda2001–2008Technical specifications

Jazz 1.2: Technical specifications

Workshop data for the 1.2-litre petrol (engine code L12A1). Covers engine, fluids, brakes, service, torques and air conditioning: the figures to check before a job or a parts order.

Common faults & fixes

Summary

Match the engine code (L12A1) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Honda
Model: Jazz
Years: 2001–2008
Fuel: Petrol
Engine code: L12A1

Performance & efficiency

Power: 57 kW (77 hp)
Engine size: 1,246 cc
Cylinders: 4 · OHC
Compression ratio: 10.8:1
Fuel system: Honda

Fluids & capacities

Engine oil (with the filter): 3.6 litres

All 119 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/OHC
Capacity (Fiscal) cc	1246
Compression ratio :1	10,8
Suitable for unleaded petrol	Yes
Minimum octane rating RON	95
Ignition system Make	Honda
Ignition system Type	PGM-FI
Ignition system Description	Map-DI
Trigger location	Cam/Crankshaft
Fuel system Make	Honda
Fuel system Type	PGM-FI
Fuel system Description	MFI-s
Air metering Type	MAP
Combined ignition and fuel ECM	Yes
Diagnostic socket	Yes

Ignition system

Ignition coil supply voltage + with ballast V	12

Firing order

The firing order for the Honda Jazz 1.2 (2001–2008) is 1-3-4-2.

Firing order	1-3-4-2

Valve clearances

Valve clearances for the Honda Jazz 1.2 (2001–2008) are 0,15-0,19 mm inlet and 0,26-0,30 mm exhaust, measured cold.

Valve clearance - INLET mm	0,15-0,19 cold
Valve clearance - EXHAUST mm	0,26-0,30 cold

Engine oil & fluids

Engine oil

The Honda Jazz 1.2 (2001–2008) takes 3.6 litres of engine oil with the filter.

See the reference table for the complete engine oil entries and their conditions.

Manual gearbox

See the reference table for the complete manual gearbox entries and their conditions.

Coolant

See the reference table for the complete coolant entries and their conditions.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range	All temperatures
Engine oil grade SAE	0W-20, 0W-30, 0W-40
Engine oil classification API/ACEA	SL/A1, A3, A5
Ambient temperature range	All temperatures
Engine oil grade SAE	5W-30, 5W-40
Engine oil classification API/ACEA	SL/A1, A3, A5
Ambient temperature range	-20°C➞
Engine oil grade SAE	10W-30, 10W-40
Engine oil classification API/ACEA	SL/A1, A3, A5
Engine with filter(s) litres	3.6
Other lubricants and capacities
Manual transmission oil grade SAE	—
Gearbox oil grade
Manual transmission litres	1.6
Automatic transmission fluid Type	Honda CVT
Automatic transmission (drain & refill) litres	3.2
Automatic transmission - drain and refill
Automatic transmission (dry fill) litres	5.4
Cooling system - total capacity litres	3.6
Brake fluid Type	DOT 4

Brakes & wear limits

Brake disc thickness

Brake discs on the Honda Jazz 1.2 (2001–2008) are replaced at a minimum thickness of 19 mm (ventilated) front; the rear brake drums are replaced at a maximum diameter of 181 mm.

Minimum disc thickness for replacement - ventilated Front	19 mm
Maximum drum diameter for replacement Rear	181 mm

Brake disc and drum dimensions

Disc thickness variation Front	0,015 mm
Disc runout Front	0,10 mm
Minimum pad thickness Front	1,6 mm
Minimum shoe thickness Rear	1 mm
Parking brake travel No. of notches	7-10

Service & electrical

Battery

The Honda Jazz 1.2 (2001–2008) uses a 12 V, 28 Ah battery.

Battery V/RC(Ah)	12 (28)

Tuning and emissions

Ignition timing
Tuning conditions	—
Ignition timing - basic BTDC °Engine/rpm	8±2/700 Not adjustable
Ignition advance checks °Engine/rpm	ECM Controlled
Idle speed rpm	700±50 Not adjustable
Idle speed - alternative rpm	Not adjustable
Oil temperature °C	80
CO level at idle speed - tailpipe Vol. % CO	0,1 Max Not adjustable
HC level at idle speed ppm	100
CO2 level at idle speed Vol. % CO2	14,5-16
O2 level at idle speed Vol. % O2	0,1-0,5
Increased idle speed for CO test rpm	2300-2700
CO content at increased idle speed Vol. %	0,2
Lambda at increased idle λ	0,98-1,02

Starting and charging

Maximum cranking amps A	150
Alternator output A/V/rpm	75/12/2000

Service checks and adjustments

Compression pressure bar	9,8 Min
Oil pressure bar/rpm	3,4/3000
Radiator cap bar	0,90-1,20
Thermostat opens °C	80-84
Drive belt tension - alternator/PAS/AC mm	7,5-10,5

Fuel system

Regulated pressure with vacuum bar	3,2-3,7

Spark plugs

Spark plugs Original equipment	Denso
Spark plug Type	K20PR-U11
Electrode gap mm	1,0-1,1
Spark plugs Make	NGK
Spark plug Type	BKR6E-11
Electrode gap mm	1,0-1,1

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Honda Jazz 1.2 (2001–2008) are tightened in 3 stages: 15 Nm, then 29 Nm, then a final 130°.

Cylinder head
Renew bolts	No
Tighten	15 Nm
Tighten	29 Nm
Tighten	130°

Other engine tightening torques
Cylinder head instructions	—
Main bearings Renew bolts/nuts	No
Main bearings Stage 1	25 Nm
Main bearings Stage 2	40°
Big end bearings Renew bolts/nuts	Yes
Big end bearings Stage 1	10 Nm
Big end bearings Stage 2	90°
Oil pump to cylinder block	10 Nm
Sump bolts	12 Nm
Sump drain bolt	39 Nm
Flywheel/driveplate	118 Nm
Clutch pressure plate	25 Nm
Crankshaft pulley/damper centre bolt	54 Nm+90°
Crankshaft pulley/damper centre bolt
Camshaft sprocket/gear	56 Nm
Camshaft/rocker cover	12 Nm
Inlet manifold to cylinder head	22 Nm
Exhaust manifold to cylinder head	44 Nm
Exhaust downpipe to manifold	33 Nm
Water pump	12 Nm
Spark plugs	18 Nm
Fuel rail	12 Nm
Crankshaft position (CKP) sensor/engine speed (RPM) sensor	12 Nm
Camshaft position (CMP) sensor	12 Nm
Engine coolant temperature (ECT) sensor	12 Nm
Lambda sensor (Oxygen)	44 Nm
Knock sensor (KS)	31 Nm
Engine oil pressure switch	18 Nm
Chassis tightening torques
Front hub	181 Nm
Rear hub	162 Nm
Steering track rod end	43 Nm
Brake disc to hub Front	10 Nm
Brake caliper to carrier Front	22 Nm
Brake caliper/carrier to hub Front	108 Nm
Back plate to hub Rear	64 Nm
ABS sensor Front	10 Nm
ABS sensor Rear	10 Nm
Road wheels	108 Nm

Air conditioning

No. of AC service connectors	2
Air conditioning restrictor type	Expansion valve
Compressor clutch/magnetic coupling	Yes
Compressor variable displacement solenoid	No
Air conditioning refrigerant Type	R134a
Air conditioning refrigerant quantity grams	425±25
Air conditioning oil group	PAG
Air conditioning oil Type	SP10
Air conditioning oil quantity cm³	85
Air conditioning oil viscosity ISO	46

Frequently asked questions

What is the firing order of the Honda Jazz 1.2?

The firing order for the Honda Jazz 1.2 (2001–2008) is 1-3-4-2.

How much oil does the Honda Jazz 1.2 take?

The Honda Jazz 1.2 (2001–2008) takes 3.6 litres of engine oil with the filter. See the reference table for the complete engine oil entries and their conditions.

What are the valve clearances for the Honda Jazz 1.2?

Valve clearances for the Honda Jazz 1.2 (2001–2008) are 0,15-0,19 mm inlet and 0,26-0,30 mm exhaust, measured cold.

What is the cylinder head torque for the Honda Jazz 1.2?

The cylinder head bolts on the Honda Jazz 1.2 (2001–2008) are tightened in 3 stages: 15 Nm, then 29 Nm, then a final 130°.

What is the minimum brake disc thickness for the Honda Jazz 1.2?

Brake discs on the Honda Jazz 1.2 (2001–2008) are replaced at a minimum thickness of 19 mm (ventilated) front; the rear brake drums are replaced at a maximum diameter of 181 mm.

What battery does the Honda Jazz 1.2 use?

The Honda Jazz 1.2 (2001–2008) uses a 12 V, 28 Ah battery.