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11 Repair the short circuit to the power
12 Replace the fan relay.
13 Repair the open circuit.
14 Repair the ground fault.
15 Repair the open circuit.
16 Replace the fuse on the circuit of engine
17 Repair the open circuit or ground fault of
18 Repair the open circuit or ground fault of
19 Replace the engine control module (ECM)
Ju dg m en t c on dit io ns
• Engine is running • Vehicle speed < 2kph • MAP < 25.82Kpa 5000rpm • Throttle is closed • Duration > 5s E m er ge nc y s ch em e • Turn on the fault indicator light until the fault is eliminated • Nil • Restriction on driving may be adopted.
Wiring terminal ECM Vehicle speed Normal measurement signal Sensor signal 38
/ 0-12V square wave Step Description Yes No 1 Will the troubleshooting procedure be To Step 2 Troubleshooting 2 Check if there is open circuit or ground Confirm To Step 3 3 Check if the resistance between the sensor To Step 4 Confirm repair
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