Suzuki Wagon R Manual page 3744

Test
T20 Check: Short to Voltage of Signal Circuit
• Measure voltage between the following terminals:
EGR valve - Wiring harness connector (wiring harness side) termi-
nal C31-2
&
Ground
Yes: T21
T21 Check: Short to Voltage of Signal Circuit
• Measure voltage between the following terminals:
CMP sensor - Wiring harness connector (wiring harness side) ter-
minal C26-3
&
Ground
Yes: T22
T22 Check: Short to Voltage of Voltage Supply Circuit
• Measure voltage between the following terminals:
TP sensor
Wiring harness connector (wiring harness side) terminal C25-3
&
Ground
Yes: T23
T23 Check: Short to Voltage of Signal Circuit
• Measure voltage between the following terminals:
A/C (refrigerant) pressure sensor - Wiring harness connector (wir-
ing harness side) terminal 2
&
Ground
Yes: E14
T24 Check: Short to Ground of Signal Circuit
• Ignition OFF
• Disconnect wiring harness connector from:
EGR valve
• Ignition ON
• Measure voltage between the following terminals:
Accelerator pedal position sensor - Wiring harness connector (wir-
ing harness side) terminal G82-6
&
Ground
• Disconnect each of the following components/control units consec-
utively from the wiring harness and repeat the measurement each
time:
MAF sensor
CMP sensor
TP sensor
Yes: E10
ENGINE GENERAL INFORMATION AND DIAGNOSIS (Z10XEP AND Z12XEP ENGINES) 6-4-63
Work Order Description Nominal Value
less than 0.3 V
No: E18
less than 0.3 V
No: E17
less than 0.3 V
No: E16
less than 0.3 V
No: E15
4.8 – 5.2 V
No: T25