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4. Connect:
• Lead
• Coupler
• Connector
TIP
• When connecting a coupler or connector, push
both sections of the coupler or connector to-
gether until they are connected securely.
• Make sure all connections are tight.
5. Check:
• Continuity
(with the pocket tester)
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
TIP
• If there is no continuity, clean the terminals.
• When checking the wire harness, perform
steps (1) to (3).
BASIC SERVICE INFORMATION
• As a quick remedy, use a contact revitalizer
available at most part stores.
6. Check:
• Resistance
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
TIP
The resistance values shown were obtained at
the standard measuring temperature of 20 °C
(68 °F). If the measuring temperature is not 20
°C (68 °F), the specified measuring conditions
will be shown.
Intake air temperature sensor re-
sistance
5.40–6.60 kΩ at 0 °C (32 °F)
290–390 Ω at 80 °C (176 °F)
1-11
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Troubleshooting
