Suzuki Wagon R Manual page 3772

C-15: Twinport Solenoid Valve Circuit
Test Table
Test
T01 Check: Interruption of Voltage Supply Circuit
• Ignition OFF
• Disconnect wiring harness connector from:
Twinport vacuum unit
• Ignition ON
• Measure voltage between the following terminals:
Twinport vacuum unit - Wiring harness connector (wiring harness
side) terminal C27-2
&
Ground
Yes: T02
T02 Check: Circuit Interruption of Ground Circuit
• Ignition OFF
• Disconnect wiring harness connector from:
ECM (Wiring Harness Connector C36)
&
Radiator fan relay
• Ignition ON
• Measure voltage between the following terminals:
Twinport vacuum unit - Wiring harness connector (wiring harness
side) terminal C27-1
&
Ground
Yes: T03
T03 Check: Short to Ground of Voltage Supply Circuit
• Ignition OFF
• Measure resistance between the following terminals:
Twinport vacuum unit - Wiring harness connector (wiring harness
side) terminal C27-1
&
Ground
Yes: T04
T04 Check: Interruption of Voltage Supply Circuit
• Measure resistance between the following terminals:
ECM - Wiring harness connector (wiring harness side) terminal
C36-34
&
Twinport vacuum unit - Wiring harness connector (wiring harness
side) terminal C27-1
Yes: T05
ENGINE GENERAL INFORMATION AND DIAGNOSIS (Z10XEP AND Z12XEP ENGINES) 6-4-91
Work Order Description Nominal Value
greater than 11 V
No: E07
less than 0.3 V
No: E06
greater than 500 kΩ
No: E05
less than 5 Ω
No: E04