FAILURE DIAGNOSIS
TNV DI Service Manual
1-211
Factor Analysis
13
Intermittent on/off of
CSD solenoid valve
Wire breakage or short-
circuit in CSD solenoid
valve
Check conduction of CSD.
CSD solenoid valve system
error: P1242/4, P1243/3,
P1244/2
14
Wire breakage or short-
circuit in harness, or
connector contact
failure
Check error occurrence, tool
data, harness shaking, and
conduction with tester.
CSD solenoid valve system
error: P1242/4, P1243/3,
P1244/2
15
Rack actuator
malfunction
Rack actuator
malfunction due to
excessive hysteresis
etc.
Check rack actuator operation
and hysteresis.
Rack actuator system error:
P1212/4, P1213/3, P1211/7
16
Wire breakage or short-
circuit in harness, or
connector contact
failure
Check error occurrence, tool
data, harness shaking, and
conduction with tester.
Rack actuator system error:
P1212/4, P1213/3, P1211/7
17
Intermittent on/off of
actuator relay
Contact failure of relay
contact
Check error occurrence, tool
data, impact on relay, and
conduction with tester.
Rack actuator system error:
P1212/4, P1213/3, P1211/7
18
Wire breakage or short-
circuit in relay coil
Check error occurrence, tool
data, impact on relay, and
conduction with tester.
Actuator relay system error:
P1222/4, P1223/3, P1224/2
19
Wire breakage or short-
circuit in harness, or
connector contact
failure
Check error occurrence, tool
data, harness shaking, and
conduction with tester.
Actuator relay system error:
P1222/4, P1223/3, P1224/2
20
Rack position sensor
signal failure
Wire breakage or short-
circuit in sensor, or
output failure
Check error occurrence, tool
data, and conduction with
tester.
Rack position sensor system
error: P1202/4, P1203/3
21
Wire breakage or short-
circuit in harness, or
connector contact
failure
Check error occurrence, tool
data, harness shaking, and
conduction with tester.
Rack position sensor system
error: P1202/4, P1203/3
22
Speed sensor signal
failure
Reversed polarity of
speed sensor harness
Check polarity difference
between harness drawing and
actual harness.
23
Wire breakage or short-
circuit in speed sensor
Check error occurrence, tool
data, and conduction with
tester.
Speed sensor system error:
P0340/4
24
Wire breakage or short-
circuit in harness, or
connector contact
failure
Check error occurrence, tool
data, harness shaking, and
conduction with tester.
Speed sensor system error:
P0340/4
25
Intermittent fluctuation
of accelerator sensor
signal
Wire breakage or short-
circuit in accelerator
sensor
Check error occurrence, tool
data, and conduction with
tester.
Accelerator sensor system
error: P0222/4, P0223/3,
P0224/2
26
Wire breakage or short-
circuit in harness, or
contact failure in
connector
Check error occurrence, tool
data, harness shaking, and
conduction with tester.
Sensor 5V system error in
addition to above: P0642/4,
P0643/3, P1644/2
No.
Check method
Relevant DTC
Remarks
TNV_DI_SM_A4-Troubleshooting.book 211 ページ 2007年11月15日 木曜日 午後5時27分