Suzuki Wagon R Manual page 3809

6-4-128 ENGINE GENERAL INFORMATION AND DIAGNOSIS (Z10XEP AND Z12XEP ENGINES)
Test
T02 Check: Short to Voltage of Voltage Supply Circuit
• Ignition ON
• Measure voltage between the following terminals:
A/C compressor relay - Socket terminal E62-2-4 (Z10XEP) or E55-
3 (Z12XEP)
&
Ground
Yes: T03
T03 Check: Short to Ground/Interruption of Voltage Supply Circuit
• Measure voltage between the following terminals:
A/C compressor relay - Socket terminal E62-2-1 (Z10XEP) or E55-
1 (Z12XEP)
&
Ground
Yes: T04
T04 Check: Short to Voltage of Signal Circuit
• Ignition OFF
• Disconnect wiring harness connector from:
ECM (Wiring Harness Connector G21)
• Ignition ON
• Measure voltage between the following terminals:
A/C compressor relay - Socket terminal E62-2-3 (Z10XEP) or E55-
2 (Z12XEP)
&
Ground
Yes: T05
T05 Check: Short to Ground of Signal Circuit
• Connect test light to:
A/C compressor relay - Socket terminal E62-2-3 (Z10XEP) or E55-
2 (Z12XEP)
&
Battery voltage
NOTE:
Resistance of the test light approximately 20 Ω to 40 Ω
Yes: T06
T06 Check: Component
• Connect fused jumper wire to:
ECM - Wiring harness connector (wiring harness side) terminal
G21-30
&
Ground
NOTE:
Resistance of the test light approximately 20 Ω to 40 Ω
Yes: T07
Work Order Description Nominal Value
less than 0.3 V
No: E10
greater than 11 V
No: T09
less than 0.3 V
No: E06
Test light OFF?
No: E05
Test light ON?
No: E04