ENGINE AND EMISSION CONTROL SYSTEM
6E1-39
SH410
B-9 ELECTRIC LOAD SIGNAL CIRCUITS CHECK
1. ECM (PCM)
2. ECM (PCM) connector
3. From lighting switch (small)/Rear defogger
4. From heater blower switch
STEP
ACTION
YES
NO
1
Check voltage at E01-18 terminal under each condition given
below.
Small light turned OFF
1 V or less
Small light turned ON
10 – 14 V
Is check result satisfactory?
Go to Step 2.
“Br” wire open or
short
Poor “E01-18” ter-
minal connection
2
Check voltage at E01-9 terminal under each condition given
below.
Ignition switch ON
Heater blower fan switch : OFF
4 – 14 V
Ignition switch ON
Heater blower fan switch : except for OFF
2 V or less
Is check result satisfactory?
Electric load
signal circuit
are in good
condition.
“P/B” wire open or
short
Poor “E01-9” termi-
nal connection
Fig. for STEP 1 and 2
1. ECM (PCM) connector connected
2. Body ground