Honda Transalp XL700V Manual page 153

FUEL SYSTEM (PGM-FI)
3. ECT Sensor Resistance Inspection
Turn the ignition switch OFF.
Measure the resistance at the ECT sensor termi-
nals.
Connection: Pink/white – Green/orange
STANDARD: 2.3 – 2.6 kΩ (20°C/68°F)
Is the resistance within 2.3 – 2.6 k Ω ?
YES
No
4. ECT Sensor Short Circuit Inspection
Turn the ignition switch OFF
Check for continuity between the ECT sensor 3P
(Gray) connector of the wire harness side and
ground.
Connection: Pink/white – Ground
Is there continuity?
YES
NO
DTC 7-2 (ECT SENSOR HIGH
VOLTAGE)
• Before starting the inspection, check for loose or
poor contact on the ECT sensor 3P (Gray) con-
nector and ECM 33P connectors, then recheck
the DTC.
1. ECT Sensor System Inspection
Turn the ignition switch ON and engine stop
switch " ".
Check the ECT sensor with the HDS.
Is about 5 V indicated?
NO
YES
2. ECT Sensor Inspection
Turn the ignition switch OFF.
Disconnect the ECT sensor 3P (Gray) connector.
Connect the ECT sensor 3P (Gray) connector at
the wire harness side with a jumper wire.
Connection: Pink/white – Green/orange
Turn the ignition switch ON and engine stop
switch " ".
Check the ECT sensor with the HDS.
Is about 0 V indicated?
YES
NO
5-22
– Replace the ECM with a new one, and
recheck; for Key Registration Proce-
dures (page 21-4).
– Faulty ECT sensor
– Short circuit in Pink/White wire
– Replace the ECM with a new one, and
recheck; for Key Registration Proce-
dures (page 21-4).
– Intermittent failure.
– GO TO STEP 2.
– Faulty ECT sensor
– GO TO STEP 3.
G/O
ECT SENSOR (Sensor side/male terminal)
ECT SENSOR 3P (GRAY) CONNECTOR
(Wire side/female terminal)
P/W
P/W
ECT SENSOR 3P (GRAY) CONNECTOR
(Wire side/female terminal)
P/W
JUMPER
WIRE
G/O