Suzuki Ignis Service Manual page 1809

6-3-150 ENGINE GENERAL INFORMATION AND DIAGNOSIS (Z13DT ENGINE)
C-14, Mass or Volume Air Flow Circuit
Test Table (For RM413D)
Test Work Order Description
T01 Check: Interruption of Voltage Supply Circuit
• Ignition OFF
• Disconnect wiring harness connector from:
MAF and IAT Sensor
• Ignition ON
• Measure voltage between the following terminals:
MAF and IAT Sensor – Wiring harness connector (wiring harness side)
terminal C79-2
&
Ground
Yes: T02
T02 Check: Short to Voltage/Interruption of Ground Circuit
• Measure voltage between the following terminals:
MAF and IAT Sensor – Wiring harness connector (wiring harness side)
terminal C79-2
&
MAF and IAT Sensor – Wiring harness connector (wiring harness side)
terminal C79-3
Yes: T03
T03 Check: Short to Voltage/Ground/Interruption of Voltage Supply
• Measure voltage between the following terminals:
MAF and IAT Sensor – Wiring harness connector (wiring harness side)
terminal C79-4
&
Ground
Yes: T04
T04 Check: Short to Voltage/Ground/Interruption of Signal Circuit
• Ignition OFF
• Disconnect wiring harness connector from:
ECM (Wiring Harness Connector C66)
• Ignition ON
• Measure voltage between the following terminals:
MAF and IAT Sensor – Wiring harness connector (wiring harness side)
terminal C79-5
&
Ground
Yes: T05
T05 Check: Short to Ground of Signal Circuit
• Measure resistance between the following terminals:
MAF and IAT Sensor – Wiring harness connector (wiring harness side)
terminal C79-5
&
Ground
Yes: T06
Nominal Value
greater than 11 V
No: E08
greater than 11 V
No: T07
4.8 ... 5.2 V
No: E05
less than 0.3 V
No: E04
greater than 500
kOhm
No: E03