Suzuki RA410 Manual page 550

DTC 46 – TRANSMISSION RANGE SWITCH CIRCUIT
To J/B
R/B
DTC 46 – TROUBLE SHOOTING
Step
Transmission range switch signal check:
(1) Remove PCM cover.
(2) With ignition switch ON, check voltage under the fol-
lowing conditions.
"P" and ground"
"R" and ground"
"N" and ground"
1
"D" and ground"
"2" and ground"
"L" and ground"
Are they in good condition?
Check transmission range switch installation.
Is it in good condition?
2
To Comb. switch, Stop light switch, etc.
To Back up light
P
O
R
R
N
G/O
D
G
G/Y
2
Bl/W
L
To Comb. meter
"D"
"L"
Terminal arrangement of PCM coupler
Action
P-range
other than P-range
R-range
other than R-range
N-range
other than N-range
D-range
other than D-range
2-range
other than 2-range
L-range
other than L-range
P
R
N
PCM
D
2
L
"N"
"R"
"P"
"2"
Check PCM to cou-
pler connection for
poor connection.
If OK, substitute a
10 – 14 V known-good PCM
0 – 1 V and recheck
10 – 14 V
0 – 1 V
10 – 14 V
0 – 1 V
10 – 14 V
0 – 1 V
10 – 14 V
0 – 1 V
10 – 14 V
0 – 1 V
Faulty transmission
range switch or its
circuit.
If OK, substitute a
known-good PCM
and recheck.
AUTOMATIC TRANSMISSION 7B-23
Yes
Go to Step 2.
Adjust and recheck.
No