Suzuki Wagon R Manual page 4040

Step
6 Check for vehicle speed signal circuit.
1) Turn ignition switch to OFF position.
2) Connect ECM connector "G88".
3) Disconnect multi information display con-
nector "G97".
4) Turn ignition switch to ON position and mea-
sure voltage between "G88-89" and vehicle
body ground.
Is it voltage 10 – 14 V?
7 Is vehicle equipped with EPS?
8 Check for vehicle speed signal circuit.
1) Turn ignition switch to OFF position.
2) Disconnect ECM connector "G88".
3) Connect P/S control module connector
"G14".
4) Turn ignition switch to ON position, and
measure voltage between "E20-12" and
vehicle body ground.
Is it voltage 4 – 6 V?
1. ABS hydraulic unit/control module connector "E20"
Action
V V
- - + +
1
INSTRUMENTATION / DRIVER INFORMATION 8C-5
Yes
Go to step 7.
Go to step 7.
Substitute a known-good
ABS hydraulic unit/con-
trol module.
"E20-12"
No
Check open or shorted to
ground in "PPL" wire. If
circuit is OK, substitute a
known-good ECM and
recheck.
Substitute a known-good
ABS hydraulic unit/con-
trol module and recheck.
Check open or shorted to
ground in "PPL" wire.
If circuit is OK, substitute
a known-good P/S con-
trol module and recheck.