Page 493 - Workshop Manual - Aumark (BJ1051)
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Diagnosis- combination meter
2. Checking signal circuit of coolant temperature sensor
(a) Ignition switch: OFF.
(b) Disconnect connector of coolant
temperature sensor.
04
(c) Ignition switch: ON.
(d) Use a multimeter to measure voltage to
ground of connector pin 1 of coolant
temperature sensor C007.
Voltage: approx. 5V
Is check result normal?
Yes > Replace combination meter assembly.
No > Go to step 3.
3. Checking signal power supply of coolant temperature sensor
(a) Use a multimeter to measure voltage to
ground of connector pin 3 of
combination meter B032.
Voltage: approx. 5V
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