GENERAL DESCRIPTION
Ignition
1. General Description
S161001
S161001E49
A: SPECIFICATIONS
Item
Designation
Ignition coil and ignitor assembly
Model
CM12-100B
Manufacturer
HITACHI
Primary coil resistance
0.7Q+10%
Secondary coil resistance
13.0 kQ+20%
Insulation resistance between primary terminal and case
More than 10 MQ
Spark plug
Type and manufacturer
BKR6E* NGK RC10YC4** CHAMPION BKR5E-11**.......... NGK (Alternate)
Thread size mm
14, P = 1.25
Spark gap mm (in)
0.7 - 0.8 mm (0.028 - 0.031 in)* 1.0 -1.1 mm (0.039 - 0.043 in)**
*: Without catalytic converter **: With catalytic converter
IG(SOHCw/oOBD)-2
GENERAL DESCRIPTION
Ignition
B: COMPONENT
S161001A05
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(1)    Sparkplug
(2)    Spark plug cord (#1, #3)
(3)    Ignition coil and ignitor ASSY
(4) Spark plug cord (#
Tightening torque: N-m (kgf-m, ft-lb) T1: 6.4 (0.65, 4.7) T2: 21 (2.1, 15)
removal, installation, disassembly, and replace­ment.
•   Be careful not to burn your hands, because each part on the vehicle is hot after running.
•   Be sure to tighten fasteners including bolts and nuts to the specified torque.
•   Place shop jacks or safety stands at the speci­fied points.
•   Before disconnecting electrical connectors of sensors or units, be sure to disconnect negative terminal from battery.
C: CAUTION
S161001A03
•  Wear working clothing, including a cap, protec­tive goggles, and protective shoes during opera­tion.
•   Remove contamination including dirt and corro­sion before removal, installation or disassembly.
•   Keep the disassembled parts in order and pro­tect them from dust or dirt.
•   Before removal, installation or disassembly, be sure to clarify the failure. Avoid unnecessary
IG(SOHCw/oOBD)-3
GENERAL DESCRIPTION
Ignition
D: PREPARATION TOOL
S161001A17
ILLUSTRATION
TOOL NUMBER
DESCRIPTION
REMARKS
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498307600
CHECK BOARD KIT
Troubleshooting for engine electrical systems
(1)  CHECK BOARD: 498307610
(2)  CHECK BOARD ADAPTER: 498307620
S2M2137A
IG(SOHCw/oOBD)-4