Suzuki Ignis Service Manual page 1897

6-3-238 ENGINE GENERAL INFORMATION AND DIAGNOSIS (Z13DT ENGINE)
C-29, Air Conditioning System Refrigerant Pressure Sensor
Test Table (For RM413D)
Test Work Order Description
T01 Check: Short to Voltage of Voltage Supply Circuit
• Ignition OFF
• Disconnect wiring harness connector from:
A/C Pressure Sensor
• Ignition ON
• Measure voltage between the following terminals:
A/C Pressure Sensor – Wiring harness connector (wiring harness side)
terminal E26-1
&
Ground
Yes: T02
T02 Check: Short to Voltage of Signal Circuit
• Measure voltage between:
A/C Pressure Sensor – Wiring harness connector (wiring harness side)
terminal E26-1
&
A/C Pressure Sensor – Wiring harness connector (wiring harness side)
terminal E26-2
Yes: T03
T03 Check: Short to Voltage of Signal Circuit
• Measure voltage between:
A/C Pressure Sensor – Wiring harness connector (wiring harness side)
terminal E26-3
&
Ground
Yes: T04
T04 Check: Short to Ground/Interruption of Signal Circuit
• Ignition OFF
• Disconnect wiring harness connector from:
ECM (Wiring Harness Connector E27)
• Measure resistance between:
A/C Pressure Sensor – Wiring harness connector (wiring harness side)
terminal E26-3
&
Ground
Yes: E01
T05 Check: Short to Voltage of Signal Circuit
• Measure voltage between:
A/C Pressure Sensor – Wiring harness connector (wiring harness side)
terminal E26-1
&
A/C Pressure Sensor – Wiring harness connector (wiring harness side)
terminal E26-2
Yes: E04
Nominal Value
4.8 ... 5.2 V
No: T06
4.8 ... 5.2 V
No: T05
less than 0.3 V
No: E03
greater than 500
kOhm
No: E02
less than 4.8 V
No: E05