| Test | Tester | Check | Notes | Nominal | |
|---|---|---|---|---|---|
| Step | Multimeter MKM-587-A | of | between | Value | |
| 20 | Voltmeter range 20 V, DC | Voltage supply, coolant solenoid valve, Y14 (only for Corsa-B, Japan) | |||
| Wiring harness plug of Y14 (SWWS/ black-white) | Ground | · Ignition ON |
· Switch S101 ON
| · Wiring harness plug disconnected from Y14 | » 11.5 V | |||
|---|---|---|---|---|
| Ohmmeter range 200 W | Wiring harness plug of Y14 (BR/brown) | Ground | · Ignition OFF |
· Wiring harness plug disconnected from Y14
| » 0 W |
|---|
| Possible cause of fault, trouble-shooting |
1. MAXI fuse F15/30A defective.
2. Fuse F17/10A defective.
3. Fuse F20/30A defective.
4. Lead interruption between coolant solenoid valve Y14 (SWWS/black-white) and X6 (51/pin).
5. Lead interruption between X6 (51/bushing) and mixed air control knob end switch S101.2 (B).
6. Mixed air control knob end switch S101.2 defective - see test step 21 *).
7. Lead interruption between wiring harness plug for coolant solenoid valve Y14 (BR/brown) and ground.
*) The temperature lever end switch is integrated into the controls, the voltage is supplied via the 4-pin wiring harness plug in the controls.
( ) Terminal in wiring harness plug