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Replace the oil pressure switch.
The fuel meter fails to come on.
1. Check the fuel sender.
Refer to "CHECKING THE FUEL
SENDER" on page 8-91.
OK ↓
2. Check the entire signaling system
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-19.
OK ↓
Replace the meter assembly.
The coolant temperature meter fails to come on.
1. Check the coolant temperature sen-
sor.
Refer to "CHECKING THE COOL-
ANT TEMPERATURE SENSOR"
on page 8-92.
OK ↓
2. Check the entire signaling system
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-19.
OK ↓
Replace the ECU or meter assembly.
Refer to "REPLACING THE ECU (en-
gine control unit)" on page 8-81.
The speedometer fails to operate.
1. Check the speed sensor.
Refer to "CHECKING THE SPEED
SENSOR" on page 8-92.
OK ↓
2. Check the entire speed sensor wir-
ing.
Refer to "CIRCUIT DIAGRAM" on
page 8-19.
OK ↓
NG →
Replace the fuel pump assembly.
NG →
Properly connect or replace the wiring har-
ness.
NG →
Replace the coolant temperature sensor.
NG →
Properly connect or replace the wiring har-
ness.
NG →
Replace the speed sensor.
NG →
Properly connect or replace the wiring har-
ness.
8-24
SIGNALING SYSTEM
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Table of Contents
Troubleshooting
