YH4
GRAND
VITARA
ENGINE (H25 ENGINE) 6-1-73
TERMINAL ARRANGEMENT OF ECM (PCM) COUPLER (VIEWED FROM HARNESS SIDE)
1. HO2S heater relay
2. HO2S
DTC P0150 HO2S (BANK-2 SENSOR-1) CIRCUIT MALFUNCTION
WIRING DIAGRAM
DTC DETECTING CONDITION AND TROUBLE AREA
DTC DETECTING CONDITION TROUBLE AREA
Minimum HO2S voltage is 0.4 V or higher.
Maximum HO2S voltage is higher than 1.2 V or less than
0.6 V.
HO2S
HO2S circuit
Fuel injector
Fuel pressure control system
ECM (PCM)
DTC CONFIRMATION PROCEDURE
NOTE:
Check to make sure that following conditions are satisfied when using this DTC CONFIRMATION PROCE-
DURE.
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