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DTC 22 ENGINE SPEED SIGNAL CIRCUIT FAILURE
1. To main fuse
2. Ignition switch
3. "P/S" fuse (30A) in fuse box
4. "IG METER" fuse (15A) in fuse box
STEP
1
Was "SYSTEM CHECK FLOW TABLE" performed?
2
1) Recheck DTC with engine running.
Is DTC 22 indicated?
3
1) Check proper connection to P/S control module
and ECM at each "Br" wire terminal (P/S control
module side: "A5" terminal, ECM/PCM side: Re-
fer to in SECTION 6E), then check intermittent
trouble. Refer to INTERMITTENT TROUBLE in
SECTION 0A.
2) If they are OK, check high resistance, open or
short to power circuit or ground in "Br" wire cir-
cuit.
Is check result in good condition?
5. ECM/PCM
6. P/S control module
7. Connector "A"
ACTION
ELECTRICAL POWER STEERING (P/S) SYSTEM 3B1-13
7
YES
Go to STEP 2.
Go to STEP 3.
Substitute a known-
good P/S control mod-
ule and recheck.
NO
Go to "SYSTEM
CHECK FLOW
TABLE" in this section.
It is nothing abnormal
for DTC 22. System is
in normal condition.
Repair.
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