Suzuki Wagon R Manual page 3745

6-4-64 ENGINE GENERAL INFORMATION AND DIAGNOSIS (Z10XEP AND Z12XEP ENGINES)
Test
T25 Check: Short to Ground of Signal Circuit
• Ignition OFF
• Disconnect wiring harness connector from:
A/C (refrigerant) pressure sensor
• Ignition ON
• Measure voltage between the following terminals:
Accelerator pedal position sensor - Wiring harness connector (wir-
ing harness side) terminal G82-6
&
Ground
Yes: E10
T26 Check: Short to Ground of Signal Circuit
• Ignition OFF
• Disconnect wiring harness connector from:
ECM (Wiring Harness Connector G21, C36)
• Measure resistance between the following terminals:
Accelerator pedal position sensor - Wiring harness connector (wir-
ing harness side) terminal G82-6
&
Ground
Yes: T27
T27 Check: Interruption of Signal Circuit
• Measure resistance between the following terminals:
Accelerator pedal position sensor - Wiring harness connector (wir-
ing harness side) terminal G82-6
&
ECM - Wiring harness connector (wiring harness side) terminal
G21-4
Yes: T28
T28 Check: Short to Ground of Signal Circuit
• Measure resistance between the following terminals:
MAF sensor - Wiring harness connector (wiring harness side) ter-
minal C34-4
&
Ground
Yes: T29
T29 Check: Short to Ground of Signal Circuit
• Measure resistance between the following terminals:
EGR valve - Wiring harness connector (wiring harness side) termi-
nal C31-2
&
Ground
Yes: T30
Work Order Description Nominal Value
4.8 – 5.2 V
No: T26
greater than 500 kΩ
No: E27
less than 5 Ω
No: E26
greater than 500 kΩ
No: E25
greater than 500 kΩ
No: E24