Suzuki Wagon R Manual page 3801

6-4-120 ENGINE GENERAL INFORMATION AND DIAGNOSIS (Z10XEP AND Z12XEP ENGINES)
C-29: O2 Sensor Circuit (HO2S-1)
Test Table
Test
T01 Check: Component
• Is the trouble code P0130 stored?
Yes: E01
T02 Check: Short to Voltage/Interruption of Ground Circuit
• Ignition OFF
• Disconnect wiring harness connector from:
ECM (Wiring Harness Connector C36)
&
HO2S-1
&
Radiator fan relay
• Ignition ON
• Measure voltage between the following terminals:
HO2S-1 - Wiring harness connector (wiring harness side) terminal
C19-4
&
Ground
Yes: T03
T03 Check: Short to Ground of Signal Circuit
• Ignition OFF
• Measure resistance between the following terminals:
HO2S-1 - Wiring harness connector (wiring harness side) terminal
C19-4
&
Ground
Yes: T04
T04 Check: Circuit Interruption of Ground Circuit
• Measure resistance between the following terminals:
HO2S-1 - Wiring harness connector (wiring harness side) terminal
C19-4
&
ECM - Wiring harness connector (wiring harness side) terminal C36-8
Yes: T05
T05 Check: Short to Voltage/Ground/Interruption of Signal Circuit
• Connect wiring harness connector to:
ECM
• Ignition ON
• Measure voltage between the following terminals:
HO2S-1 - Wiring harness connector (wiring harness side) terminal
C19-3
&
HO2S-1 - Wiring harness connector (wiring harness side) terminal
C19-4
Yes: T06
Work Order Description Nominal Value
–
No: T02
less than 0.3 V
No: E08
greater than 500 kΩ
No: E07
less than 5 Ω
No: E06
350 – 500 mV
No: T07