LIGHTS/METERS/SWITCHES
COOLANT TE
R
SYSTEM INSPECTION ('13 MODEL)
• Coolant temperature indicator turns on when the
coolant temperature becomes higher and lower than
certain temperature.
• Before performing the system inspection, make sure
that the following item are normal.
- Cooling system flow
- Other meter indicators
- No MIL blinking (page 4-10)
Turn the ignition switch ON and engine stop switch
"0",
check the coolant temperature indicator.
When the engine is cold, the indicator should not come
on.
Turn the ignition switch OFF.
Disconnect the ECM
21
P (Black) connector
(page 4-49).
Turn the ignition switch ON and check the indicator.
The indicator should not come on.
If the indicator comes on, check the following:
Light green/red wire between the meter and ECM for
a short circuit
- speedometer panel for
an
internal short circuit
If the indicator goes off with the connector
disconnected, check the following:
Short the ECM
21
P (Black) connector [1] terminal
of
the
wire harness side and ground with the jumper wire [2].
CONNECTION: Light green/red - Ground
TOOL:
Test probe, 2 pack
07ZAJ-RDJA
110
Turn the ignition switch ON and check the indicator.
The indicator should come on.
If the indicator does not come on, check the following:
- Light green/red wire between the meter and ECM for
[1]
[2]
open circuit
'-----------------------'
21-18
- speedometer panel for internal open circuit
If above inspections are normal, replace the ECM with a
new one and recheck.
SYSTEM INSPECTION (AFTER '13
MODEL)
If the high coolant temperature indicator does not
operate properly, check the following:
- Combination meter system inspection (page 21-7)
- Serial communication line (page 21-13)
MIL blinking: If the MIL blinks
7,
check the ECT
sensor system (page 4-20).
- ECT sensor (page 4-52)
If the above items are OK, replace the combination
meter assembly (page 21-14).
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