FUEL SYSTEM (Programmed Fuel Injection)
Check for continuity White terminal and ground .
Continuity
• Faulty 0 2 sensor
1-17-
I Connection : White-Ground Standard : No continuity No continuity Turn the ignition switch ON . Measure the voltage at the 0 2 sensor wire harness side connector terminals .
Normal
Turn the ignition switch OFF . Disconnect the ECM 22P connector .
L 1
Connection : Black/White (+)-Black/Green (-) Standard : Battery voltage Turn the ignition switch ON . Measure the voltage at the O z sensor wire harness side connector terminals .
,r ',, Connection : Black/White (+)-Black/Green (-) Standard: Battery voltage Battery voltage
No voltage
1 • Open circuit in O z sensor Black/Green wires • Replace the ECM and inspect again