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FI SYSTEM DIAGNOSIS 4-101
Step 2
1) Turn the ignition switch ON.
2) Measure the voltage between O/W wire and ground.
PAIR valve voltage: Battery voltage
(+ O/W – - Ground)
09900-25008: Multi-circuit tester set
Tester knob indication: Voltage ()
Is the voltage OK?
3) After repairing the trouble, clear the DTC using SDS tool.
(4-27)
ACTIVE CONTROL INSPECTION
1) Set up the SDS tool. (Refer to the SDS operation manual for
further details.)
2) Turn the ignition switch ON.
3) Click “PAIR Sol operating control” 1.
2
V
YES
• W/G wire open or shorted to ground, or poor t
connection failure.
• If wire and connection are OK, intermittent trou-
ble or faulty ECM.
• Recheck each terminal and wire harness for
open circuit and poor connection.
• Replace the ECM with a known good one, and
inspect it again.
NO Open or short circuit in the O/W wire.
When using the multi-circuit tester, do not storongly
touch the terminal of the ECM coupler with a needle
pointed tester probe to prevent the terminal damage
or terminal bend.
ECM couplers (Harness side)
(Black) (Gray)
2