TROUBLE DIAGNOSES WT-19
C
D
F
G H
I
J
K L
M A
B
WT
Revision: 2006 July 2007 FX35/FX45
Control Unit Input/Output Signal StandardNES000GU
Standards using a circuit tester and oscilloscope
Terminal
Item Condition Voltage (V)
Approx. value
+ (wire color) –
15 (G)
Ground Tire pressure warning check
connector Always 5V
18 (B) Remote keyless entry receiver
(Ground) —0V
19 (R) Remote keyless entry receiver
(Power supply) Stand-by
Press any of the keyfob
switches
20 (Y) Remote keyless entry receiver
(Signal) Stand-by
Press any of the keyfob
switches
38 (W/L) Ignition switch Ignition switch ON or START Battery voltage (12V) 39 (L) CAN-H — —
40 (P) CAN-L — —
42 (L/R) Battery power supply (Fuse) Always Battery voltage (12V)
45 (G/W) Turn signal (left)
Ignition switch ON
Combination switch is turn
signal (left)
OCC3879D
OCC3882D
OCC3881D
OCC3880D
SKIA3009J
WT-32
TROUBLE DIAGNOSES
Revision: 2006 July 2007 FX35/FX45
Malfunction Code/Symptom ChartNES000H0
Code/Symptom Malfunction part Reference
page
06
07
08
09 Front-left tire pressure drops to 86 kPa (0.88 kg/cm
2 , 12.5 psi) or less.
Front-right tire pressure drops to 86 kPa (0.88 kg/cm2 , 12.5 psi) or less.
Rear-right tire pressure drops to 86 kPa (0.88 kg/cm2 , 12.5 psi) or less.
Rear-left tire pressure drops to 86 kPa (0.88 kg/cm2 , 12.5 psi) or less. —
15
16
17
18 Front-left tire pressure drops to 173 kPa (1.8 kg/cm
2 , 25 psi) or less.
Front-right tire pressure drops to 173 kPa (1.8 kg/cm2 , 25 psi) or less.
Rear-right tire pressure drops to 173 kPa (1.8 kg/cm2 , 25 psi) or less.
Rear-left tire pressure drops to 173 kPa (1.8 kg/cm2 , 25 psi) or less. —
21
22
23
24 Transmitter no data (front - left)
Transmitter no data (front - right)
Transmitter no data (rear - right)
Transmitter no data (rear - left) WT-33
31
32
33
34 Transmitter checksum error (front - left)
Transmitter checksum error (front - right)
Transmitter checksum error (rear - right)
Transmitter checksum error (rear - left) WT-33
35
36
37
38 Transmitter pressure data error (front - left)
Transmitter pressure data error (front - right)
Transmitter pressure data error (rear - right)
Transmitter pressure data error (rear - left) WT-34
41
42
43
44 Transmitter function code error (front - left)
Transmitter function code error (front - right)
Transmitter function code error (rear - right)
Transmitter function code error (rear - left) WT-33
45
46
47
48 Transmitter battery voltage low (front - left)
Transmitter battery voltage low (front - right)
Transmitter battery voltage low (rear - right)
Transmitter battery voltage low (rear - left) WT-33
52 Vehicle speed signal
WT-35
Low tire pressure warning lamp does not
come on when ignition switch is turned
on. Fuse or combination meter
BCM connector or circuit
BCM WT-36
Low tire pressure warning lamp stays on
when ignition switch is turned on. Combination meter
BCM connector or circuit
BCM WT-36
Low tire pressure warning lamp blinks
when ignition switch is turned on. BCM connector or circuit
BCM
Transmitter's mode off
ID registration not yet WT-37
Run-flat tire warning lamp stays on when
ignition switch is turned on. Combination meter
Tire pressure DI-5
Turn signal lamp blinks when ignition
switch is turned on. BCM connector or circuit
BCM WT-38
ID registration can not be operated. Transmitter
Remote keyless entry receiver connector or circuit
Remote keyless entry receiver
BCM connector or circuit
BCM WT-38
