Suzuki Wagon R Manual page 3755

6-4-74 ENGINE GENERAL INFORMATION AND DIAGNOSIS (Z10XEP AND Z12XEP ENGINES)
Result
E15 • Short to voltage/ground/interruption of circuit between:
ECM - Wiring harness connector (wiring harness side) terminal C36-56
&
TP sensor - Wiring harness connector (wiring harness side) terminal C25-3
or
• Defective component:
ECM
NOTE:
If ECM is replaced, register password (PWD) and secret key code (SKC) to ECM referring to
"Procedure after ECM Replacement" in Section 8G3.
C-08: Mass Air Flow Circuit
Test Table
Test
T01 Check: Short to Ground/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 C34-2
&
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 C34-2
&
MAF and IAT sensor - Wiring harness connector (wiring harness
side) terminal C34-3
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 C34-4
&
Ground
Yes: T04
T04 Check: Short to Voltage of Signal Circuit
• Measure voltage between the following terminals:
MAF and IAT sensor - Wiring harness connector (wiring harness
side) terminal C34-5
&
Ground
Yes: T05
Cause Of Fault
Work Order Description Nominal Value
greater than 11 V
No: T07
greater than 11 V
No: E06
4.8 – 5.2 V
No: E05
less than 0.3 V
No: E04