Cps Sensor Circuit Malfunction; Sensor Circuit Mal. Troubleshooting - TGB EST 1000 Service Manual

SENSOR CIRCUIT TROUBLESHOOTING

CPS SENSOR CIRCUIT MALFUNCTION

DETECTED CONDITION
The signal does not reach ECU for 3 sec. or
more, after receiving the starter signal.
INSPECTION
Step 1
1) Remove the seat set.
2) Remove the left side cover.
3) Turn the ignition switch OFF.
4) Check the CPS sensor coupler for loose or
poor contacts.
If OK, then measure the CPS sensor
resistance.
5) Disconnect the CPS sensor coupler and
measure the resistance.
CPS sensor resistance:
(Blue –Sky Blue)
6) If OK, then check the continuity between
each terminal and ground.
CPS sensor continuity: ∞ Ω (Infinity)
(Blue – Ground)
(Green – Ground)
• Metal particles or foreign material being
stuck on the CPS sensor and rotor tip
• CPS sensor circuit open or short
• CPS sensor malfunction
• ECU malfunction
50±5 Ω
4-2. FUEL INJECTION SYSTEM
POSSIBLE CAUSE
4-2-25