Suzuki Baleno Manual page 1273

STEP
4 ECM (PCM) Power Circuit Check
1) Turn OFF ignition switch, disconnect connectors
from ECM (PCM) and install main relay.
2) Check for proper connection to ECM (PCM) at ter-
minals C20-9, E92-10, E92-5 and E92-6.
3) If OK, then measure voltage between terminal
C20-9 and ground, E92-10 and ground with ignition
switch ON.
Is each voltage 10 – 14 V?
5 ECM (PCM) Power Circuit Check
1) Using service wire, ground terminal E92-10 and
measure voltage between terminal E92-5 and
ground at ignition switch ON.
Is it 10 – 14 V?
6 Is operating sound of main relay heard in Step 1?
7 Main Relay Check
1) Check main relay according to procedure in Step
2.
Is main relay in good condition?
Fig.1 for Step 2
Fig.4 for Step 3
"IG" fuse
ENGINE GENERAL INFORMATION AND DIAGNOSIS (G13/G16 ENGINE WITH WU TWC) 6-1-43
ACTION
Fig.2 for Step 2
YES
Go to Step 5.
Check ground circuits
"Gr" and "B / Or" for
open.
If OK, then substitute a
known-good ECM
(PCM) and recheck.
Go to Step 7.
"B / Or" or "R / B" wire
open.
Fig.3 for Step 2
NO
"B / W", "B / Or" or "Gr"
circuit open.
Go to Step 6.
"B / Or" or "R / B" wire
open.
Replace main relay.