STEP
INSPECTION
5
Close all doors. (Door switch off.)
DTC 08 TNS relay on/off signal
Diagnostic procedure
STEP
INSPECTION
1
Turn headlight switch to TNS
position. (TNS relay on.)
2
Turn headlight switch off. (TNS relay
off.)
DTC 12 Operation signal to speedometer
INSPECTION
Wait for 2 seconds after selecting DTC 12.
WARNING AND INDICATOR SYSTEM
INDICATION
INDICATION
INDICATION
ACTION
Measure voltage at instrument cluster terminals 1I and
1J.
Is voltage B+?
• If as specified, replace instrument cluster.
• If not as specified, inspect following parts.
Door switch
Wiring harness (Instrument clusterdoor switch)
Input signals to instrument cluster are okay.
ACTION
Go to net step.
Measure voltage at instrument cluster terminal 2K.
Is voltage B+?
• If as specified, replace instrument cluster.
• If not as specified, inspect following parts.
TNS relay
Wiring harness (BatteryTNS relayinstrument
cluster)
Measure voltage at instrument cluster terminal 2K.
Is voltage 0 V?
• If as specified, replace instrument cluster.
• If not as specified, inspect following parts.
TNS relay
Wiring harness (TNS relayinstrument cluster)
Input signal to instrument cluster is okay.
SITUATION
Speedometer needle
moves full scale then
returns to 60 km/h or 60
MPH.
Other than stated above.
ACTION
Speedometer is okay.
Replace instrument
cluster.
T79
T