CHART - 8 - NO "CHECK GAUGES" LIGHT (CGL) DURING BULB CHECK (Cont'd) -726280673

TM 9-2320-364-20-1

Section IV. TROUBLESHOOTING CHARTS (Cont.)

D. CHART - 8 - NO "CHECK GAUGES" LIGHT (CGL) DURING BULB CHECK (Cont'd)

STEP/SEQUENCE

RESULT

WHAT TO DO NEXT

C 8-7

Check ECM

Connectors

Check terminals at both 5-way

Terminals and

Replace ECM (para 7-57).

power harness and vehicle

connectors

Then go to C 8-30.

harness connectors (both ECM

are okay.

and harness side) for damage;

bent, corroded, and unseated

Problem found.

Repair terminals/connectors

pins or sockets. Pay close

(para 7-101). Then go to C 8-30.

attention to terminals B2 and

B3 of vehicle harness connector

and D and E power harness.

C 8-30

Verify Repairs

Turn ignition off.

"Check Gauges"

Repairs are complete.

Reconnect all connectors.

light comes on for

Turn ignition on.

up to 5 seconds

Clear codes.

then goes out.

Turn ignition off.

Turn ignition on while at same

"Check Gauges"

All system diagnostics are

time observing "Check Gauges"

light comes on

complete. Please review this

light.

and stays on.

section from the first step to find

error.

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