7-22 ELECTRICAL SYSTEM
CKP sensor
CKP sensor
coupler
CKP sensor
Peak
volt
adaptor
CKP sensor
coupler
G
B
Bl
Y
If the peak voltage on the CKP sensor lead wire coupler is ok but
on the ECM coupler is out of specification, the wire harness must
be replaced. If both peak voltages are out of specification, the
CKP sensor must be replaced and re-checked.
CKP SENSOR RESISTANCE
Measure the resistance between the lead wires and ground. If
the resistance is not specified value, the CKP sensor must be
replaced.
\ 09900-25008: Multi circuit tester set
V Tester knob indication: Resistance (
ΩΩ
ΩΩ
Ω)
CKP sensor resistance : 130 – 210
ΩΩ
ΩΩ
Ω (Yellow – Blue)
:
∞∞
∞∞
∞
ΩΩ
ΩΩ
Ω (Green – Ground)
• Remove fuel tank. ( 4-48)
• Disconnect the CKP sensor lead wire coupler and connect the
multi circuit tester with the peak volt adaptor.
+ Probe: Yellow lead wire
- Probe: Blue lead wire
• Measure the CKP sensor peak voltage at the CKP sensor lead
wire coupler in the same manner as on the ECM coupler.
W Tester knob indication: Voltage (
)
CKP sensor peak voltage: More than 2.7 V
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